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BOSTON MARATHON 2026

Tiffany Kirkland

Bib: 23254•F

NY

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 35%
Age Group (F50-54)
#0 / 1233
Top 31%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:01
3.11 mi
Rank: #19362
Start → 5K
26:01 | 8:23/mi
10K
51:23
6.21 mi
Rank: #18845 (+517)
5K → 10K
25:22 | 8:10/mi
15K
1:16:41
9.32 mi
Rank: #18565 (+280)
10K → 15K
25:18 | 8:09/mi
20K
1:42:38
12.43 mi
Rank: #18516 (+49)
15K → 20K
25:57 | 8:22/mi
HALF
1:48:09
13.11 mi
Rank: #18480 (+36)
20K → HALF
5:31 | 8:06/mi
25K
2:08:17
15.53 mi
Rank: #18299 (+181)
HALF → 25K
20:08 | 8:19/mi
30K
2:34:39
18.64 mi
Rank: #17996 (+303)
25K → 30K
26:22 | 8:30/mi
20M
2:46:07
20.00 mi
Rank: #17818 (+178)
30K → 20M
11:28 | 8:27/mi
21M
2:54:57
21.00 mi
Rank: #17670 (+148)
20M → 21M
8:50 | 8:50/mi
35K
3:00:59
21.75 mi
Rank: #17546 (+124)
21M → 35K
6:02 | 8:04/mi
23M
3:11:24
23.00 mi
Rank: #17349 (+197)
35K → 23M
10:25 | 8:20/mi
24M
3:19:28
24.00 mi
Rank: #17188 (+161)
23M → 24M
8:04 | 8:04/mi
40K
3:26:35
24.85 mi
Rank: #17068 (+120)
24M → 40K
7:07 | 8:20/mi
25.2M
3:29:40
25.20 mi
Rank: #17021 (+47)
40K → 25.2M
3:05 | 8:57/mi
FINISH
3:37:38
26.22 mi
Rank: #16900 (+121)
25.2M → FINISH
7:58 | 7:50/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:09
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:49:29
Pace8:22 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:32:1526:018:2326:01
8:23
-
10K
6.21 mi11:57:3751:238:1725:22
8:10
-0:13
15K
9.32 mi12:22:551:16:418:1425:18
8:09
-0:01
20K
12.43 mi12:48:521:42:388:1625:57
8:22
+0:13
HALF
13.11 mi12:54:231:48:098:165:31
8:06
-0:16
25K
15.53 mi13:14:312:08:178:1620:08
8:19
+0:13
30K
18.64 mi13:40:532:34:398:1826:22
8:30
+0:11
20M
20.00 mi13:52:212:46:078:1911:28
8:27
-0:03
21M
21.00 mi14:01:112:54:578:208:50
8:50
+0:23
35K
21.75 mi14:07:133:00:598:206:02
8:04
-0:46
23M
23.00 mi14:17:383:11:248:2010:25
8:20
+0:16
24M
24.00 mi14:25:423:19:288:198:04
8:04
-0:16
40K
24.85 mi14:32:493:26:358:197:07
8:20
+0:16
25.2M
25.20 mi14:35:543:29:408:203:05
8:57
+0:37
FINISH
26.22 mi14:43:523:37:388:197:58
7:50
-1:07

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:50 /mi

Average Pace

8:18 /mi

Slowest Pace

8:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:25:43

95% of race

Time at Steady Pace

11:55

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:18 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:32:1526:018:2326:01
8:23
#19362
10K
6.21 mi11:57:3751:238:1725:22
8:10
#18845
15K
9.32 mi12:22:551:16:418:1425:18
8:09
#18565
20K
12.43 mi12:48:521:42:388:1625:57
8:22
#18516
HALF
13.11 mi12:54:231:48:098:165:31
8:06
#18480
25K
15.53 mi13:14:312:08:178:1620:08
8:19
#18299
30K
18.64 mi13:40:532:34:398:1826:22
8:30
#17996
20M
20.00 mi13:52:212:46:078:1911:28
8:27
#17818
21M
21.00 mi14:01:112:54:578:208:50
8:50
#17670
35K
21.75 mi14:07:133:00:598:206:02
8:04
#17546
23M
23.00 mi14:17:383:11:248:2010:25
8:20
#17349
24M
24.00 mi14:25:423:19:288:198:04
8:04
#17188
40K
24.85 mi14:32:493:26:358:197:07
8:20
#17068
25.2M
25.20 mi14:35:543:29:408:203:05
8:57
#17021
FINISH
26.22 mi14:43:523:37:388:197:58
7:50
#16900
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi193627282728217974(Top 62%)6460(Top 51%)6460(Top 524%)
10K6.21 mi3.10 mi18845+5176983+2996983+29918380(Top 63%)6678(Top 53%)6678(Top 542%)
15K9.32 mi3.11 mi18565+2806792+1916792+19117974(Top 62%)6460(Top 51%)6460(Top 524%)
20K12.43 mi3.11 mi18516+496774+186774+1818433(Top 64%)6757(Top 54%)6757(Top 548%)
HALF13.11 mi0.68 mi18480+366756+186756+1817763(Top 61%)6340(Top 50%)6340(Top 514%)
25K15.53 mi2.42 mi18299+1816668+886668+8817450(Top 60%)6251(Top 50%)6251(Top 507%)
30K18.64 mi3.11 mi17996+3036535+1336535+13316853(Top 58%)6024(Top 48%)6024(Top 489%)
20M20.00 mi1.36 mi17818+1786445+906445+9015881(Top 55%)5579(Top 44%)5579(Top 452%)
21M21.00 mi1.00 mi17670+1486378+676378+6715217(Top 52%)5262(Top 42%)5262(Top 427%)
35K21.75 mi0.75 mi17546+1246323+556323+5514981(Top 52%)5186(Top 41%)5186(Top 421%)
23M23.00 mi1.25 mi17349+1976241+826241+8214651(Top 50%)5091(Top 40%)5091(Top 413%)
24M24.00 mi1.00 mi17188+1616170+716170+7114249(Top 49%)4941(Top 39%)4941(Top 401%)
40K24.85 mi0.85 mi17068+1206125+456125+4514645(Top 50%)5242(Top 42%)5242(Top 425%)
25.2M25.20 mi0.35 mi17021+476105+206105+2014475(Top 50%)5167(Top 41%)5167(Top 419%)
FINISH26.22 mi1.02 mi16900+1216064+416064+4113953(Top 48%)4906(Top 39%)4906(Top 398%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

17974

Females

6460

F50-54

6460

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18380

Females

6678

F50-54

6678

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

17974

Females

6460

F50-54

6460

15K→20K

9.3 - 12.4 mi

Top 64%
×5
+106ft-86ft

Overall

18433

Females

6757

F50-54

6757

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17763

Females

6340

F50-54

6340

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17450

Females

6251

F50-54

6251

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16853

Females

6024

F50-54

6024

30K→20M

18.6 - 20.0 mi

Top 55%
×5
+64ft-50ft

Overall

15881

Females

5579

F50-54

5579

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15217

Females

5262

F50-54

5262

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

14981

Females

5186

F50-54

5186

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14651

Females

5091

F50-54

5091

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14249

Females

4941

F50-54

4941

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14645

Females

5242

F50-54

5242

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14475

Females

5167

F50-54

5167

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13953

Females

4906

F50-54

4906

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2958
Passed By
496
Net Change
+2462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19362
5K → 10K61295+517#19362#18845
10K → 15K35070+280#18845#18565
15K → 20K188139+49#18565#18516
20K → HALF437+36#18516#18480
HALF → 25K22039+181#18480#18299
25K → 30K34845+303#18299#17996
30K → 20M19517+178#17996#17818
20M → 21M16921+148#17818#17670
21M → 35K1317+124#17670#17546
35K → 23M21114+197#17546#17349
23M → 24M1698+161#17349#17188
24M → 40K13515+120#17188#17068
40K → 25.2M525+47#17068#17021
25.2M → FINISH13514+121#17021#16900
TOTALS2958496+2462
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing