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BOSTON MARATHON 2026

Teri Rossi

Bib: 21555•F

CA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 45%
Masters (Masters Women)
#0 / 6862
Top 32%
Age Group (F45-49)
#0 / 1786
Top 39%
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
26:08
3.11 mi
Rank: #19584
Start → 5K
26:08 | 8:25/mi
10K
52:04
6.21 mi
Rank: #19496 (+88)
5K → 10K
25:56 | 8:21/mi
15K
1:17:26
9.32 mi
Rank: #19064 (+432)
10K → 15K
25:22 | 8:10/mi
20K
1:42:45
12.43 mi
Rank: #18559 (+505)
15K → 20K
25:19 | 8:09/mi
HALF
1:48:12
13.11 mi
Rank: #18499 (+60)
20K → HALF
5:27 | 8:00/mi
25K
2:07:53
15.53 mi
Rank: #18142 (+357)
HALF → 25K
19:41 | 8:07/mi
30K
2:33:38
18.64 mi
Rank: #17649 (+493)
25K → 30K
25:45 | 8:18/mi
20M
2:44:52
20.00 mi
Rank: #17437 (+212)
30K → 20M
11:14 | 8:17/mi
21M
2:53:20
21.00 mi
Rank: #17161 (+276)
20M → 21M
8:28 | 8:28/mi
35K
2:59:13
21.75 mi
Rank: #17016 (+145)
21M → 35K
5:53 | 7:52/mi
23M
3:09:21
23.00 mi
Rank: #16775 (+241)
35K → 23M
10:08 | 8:06/mi
24M
3:17:18
24.00 mi
Rank: #16598 (+177)
23M → 24M
7:57 | 7:57/mi
40K
3:24:17
24.85 mi
Rank: #16464 (+134)
24M → 40K
6:59 | 8:11/mi
25.2M
3:27:17
25.20 mi
Rank: #16398 (+66)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:35:11
26.22 mi
Rank: #16283 (+115)
25.2M → FINISH
7:54 | 7:46/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:48:12
Pace8:16 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:46:59
Pace8:10 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2426:088:2526:08
8:25
-
10K
6.21 mi11:53:2052:048:2325:56
8:21
-0:04
15K
9.32 mi12:18:421:17:268:1925:22
8:10
-0:11
20K
12.43 mi12:44:011:42:458:1725:19
8:09
-0:01
HALF
13.11 mi12:49:281:48:128:165:27
8:00
-0:09
25K
15.53 mi13:09:092:07:538:1419:41
8:07
+0:07
30K
18.64 mi13:34:542:33:388:1525:45
8:18
+0:11
20M
20.00 mi13:46:082:44:528:1511:14
8:17
-0:01
21M
21.00 mi13:54:362:53:208:168:28
8:28
+0:11
35K
21.75 mi14:00:292:59:138:155:53
7:52
-0:36
23M
23.00 mi14:10:373:09:218:1410:08
8:06
+0:14
24M
24.00 mi14:18:343:17:188:147:57
7:57
-0:09
40K
24.85 mi14:25:333:24:178:146:59
8:11
+0:14
25.2M
25.20 mi14:28:333:27:178:143:00
8:42
+0:31
FINISH
26.22 mi14:36:273:35:118:137:54
7:46
-0:56

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

7:46 /mi

Average Pace

8:13 /mi

Slowest Pace

8:42 /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

3:32:11

99% of race

Time at Steady Pace

3:00

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:27:2426:088:2526:08
8:25
#19584
10K
6.21 mi11:53:2052:048:2325:56
8:21
#19496
15K
9.32 mi12:18:421:17:268:1925:22
8:10
#19064
20K
12.43 mi12:44:011:42:458:1725:19
8:09
#18559
HALF
13.11 mi12:49:281:48:128:165:27
8:00
#18499
25K
15.53 mi13:09:092:07:538:1419:41
8:07
#18142
30K
18.64 mi13:34:542:33:388:1525:45
8:18
#17649
20M
20.00 mi13:46:082:44:528:1511:14
8:17
#17437
21M
21.00 mi13:54:362:53:208:168:28
8:28
#17161
35K
21.75 mi14:00:292:59:138:155:53
7:52
#17016
23M
23.00 mi14:10:373:09:218:1410:08
8:06
#16775
24M
24.00 mi14:18:343:17:188:147:57
7:57
#16598
40K
24.85 mi14:25:333:24:178:146:59
8:11
#16464
25.2M
25.20 mi14:28:333:27:178:143:00
8:42
#16398
FINISH
26.22 mi14:36:273:35:118:137:54
7:46
#16283
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi195847410741018128(Top 62%)6542(Top 52%)6542(Top 366%)
10K6.21 mi3.10 mi19496+887339+717339+7119469(Top 67%)7295(Top 58%)7295(Top 408%)
15K9.32 mi3.11 mi19064+4327093+2467093+24618128(Top 62%)6542(Top 52%)6542(Top 366%)
20K12.43 mi3.11 mi18559+5056803+2906803+29017174(Top 59%)6019(Top 48%)6019(Top 337%)
HALF13.11 mi0.68 mi18499+606769+346769+3417115(Top 59%)5974(Top 47%)5974(Top 334%)
25K15.53 mi2.42 mi18142+3576577+1926577+19216269(Top 56%)5572(Top 44%)5572(Top 312%)
30K18.64 mi3.11 mi17649+4936324+2536324+25315549(Top 54%)5276(Top 42%)5276(Top 295%)
20M20.00 mi1.36 mi17437+2126223+1016223+10114772(Top 51%)4924(Top 39%)4924(Top 276%)
21M21.00 mi1.00 mi17161+2766083+1406083+14012959(Top 45%)4045(Top 32%)4045(Top 226%)
35K21.75 mi0.75 mi17016+1456023+606023+6013611(Top 47%)4443(Top 35%)4443(Top 249%)
23M23.00 mi1.25 mi16775+2415911+1125911+11213162(Top 45%)4261(Top 34%)4261(Top 239%)
24M24.00 mi1.00 mi16598+1775829+825829+8213441(Top 46%)4500(Top 36%)4500(Top 252%)
40K24.85 mi0.85 mi16464+1345782+475782+4713626(Top 47%)4687(Top 37%)4687(Top 262%)
25.2M25.20 mi0.35 mi16398+665754+285754+2813009(Top 45%)4397(Top 35%)4397(Top 246%)
FINISH26.22 mi1.02 mi16283+1155704+505704+5013453(Top 46%)4647(Top 37%)4647(Top 260%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

18128

Females

6542

F45-49

6542

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19469

Females

7295

F45-49

7295

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

18128

Females

6542

F45-49

6542

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17174

Females

6019

F45-49

6019

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17115

Females

5974

F45-49

5974

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16269

Females

5572

F45-49

5572

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15549

Females

5276

F45-49

5276

30K→20M

18.6 - 20.0 mi

Top 51%
×5
+64ft-50ft

Overall

14772

Females

4924

F45-49

4924

20M→21M

20.0 - 21.0 mi

Top 45%
×8
+106ft-24ft

Overall

12959

Females

4045

F45-49

4045

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13611

Females

4443

F45-49

4443

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13162

Females

4261

F45-49

4261

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13441

Females

4500

F45-49

4500

24M→40K

24.0 - 24.9 mi

Top 47%
×1
+6ft-20ft

Overall

13626

Females

4687

F45-49

4687

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13009

Females

4397

F45-49

4397

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13453

Females

4647

F45-49

4647

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3641*
Passed By
340
Net Change
+3301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19584
5K → 10K288*200+88#19584#19496
10K → 15K473*41+432#19496#19064
15K → 20K515*10+505#19064#18559
20K → HALF677+60#18559#18499
HALF → 25K366*9+357#18499#18142
25K → 30K507*14+493#18142#17649
30K → 20M223*11+212#17649#17437
20M → 21M278*2+276#17437#17161
21M → 35K1516+145#17161#17016
35K → 23M249*8+241#17016#16775
23M → 24M1803+177#16775#16598
24M → 40K14612+134#16598#16464
40K → 25.2M715+66#16464#16398
25.2M → FINISH12712+115#16398#16283
TOTALS3641*340+3301

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing