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BOSTON MARATHON 2026

Kelly Obrien

Bib: 21051•F

IL

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 40%
Masters (Masters Women)
#0 / 6862
Top 25%
Age Group (F40-44)
#0 / 1737
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
23:09
3.11 mi
Rank: #12394
Start → 5K
23:09 | 7:28/mi
10K
47:08
6.21 mi
Rank: #13601 (-1207)
5K → 10K
23:59 | 7:44/mi
15K
1:11:33
9.32 mi
Rank: #14336 (-735)
10K → 15K
24:25 | 7:52/mi
20K
1:36:20
12.43 mi
Rank: #14750 (-414)
15K → 20K
24:47 | 7:59/mi
HALF
1:41:38
13.11 mi
Rank: #14779 (-29)
20K → HALF
5:18 | 7:47/mi
25K
2:01:14
15.53 mi
Rank: #14983 (-204)
HALF → 25K
19:36 | 8:05/mi
30K
2:27:17
18.64 mi
Rank: #15209 (-226)
25K → 30K
26:03 | 8:24/mi
20M
2:38:49
20.00 mi
Rank: #15263 (-54)
30K → 20M
11:32 | 8:30/mi
21M
2:47:54
21.00 mi
Rank: #15335 (-72)
20M → 21M
9:05 | 9:05/mi
35K
2:53:49
21.75 mi
Rank: #15255 (+80)
21M → 35K
5:55 | 7:55/mi
23M
3:04:23
23.00 mi
Rank: #15265 (-10)
35K → 23M
10:34 | 8:27/mi
24M
3:12:25
24.00 mi
Rank: #15182 (+83)
23M → 24M
8:02 | 8:02/mi
40K
3:19:32
24.85 mi
Rank: #15144 (+38)
24M → 40K
7:07 | 8:20/mi
25.2M
3:22:41
25.20 mi
Rank: #15152 (-8)
40K → 25.2M
3:09 | 9:09/mi
FINISH
3:30:53
26.22 mi
Rank: #15179 (-27)
25.2M → FINISH
8:12 | 8:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:38
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:49:15
Pace8:21 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:0223:097:2823:09
7:28
-
10K
6.21 mi11:33:0147:087:3623:59
7:44
+0:16
15K
9.32 mi11:57:261:11:337:4124:25
7:52
+0:08
20K
12.43 mi12:22:131:36:207:4624:47
7:59
+0:07
HALF
13.11 mi12:27:311:41:387:465:18
7:47
-0:12
25K
15.53 mi12:47:072:01:147:4919:36
8:05
+0:18
30K
18.64 mi13:13:102:27:177:5526:03
8:24
+0:19
20M
20.00 mi13:24:422:38:497:5711:32
8:30
+0:06
21M
21.00 mi13:33:472:47:548:009:05
9:05
+0:35
35K
21.75 mi13:39:422:53:498:005:55
7:55
-1:10
23M
23.00 mi13:50:163:04:238:0210:34
8:27
+0:32
24M
24.00 mi13:58:183:12:258:028:02
8:02
-0:25
40K
24.85 mi14:05:253:19:328:027:07
8:20
+0:18
25.2M
25.20 mi14:08:343:22:418:033:09
9:09
+0:49
FINISH
26.22 mi14:16:463:30:538:038:12
8:03
-1:06

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

7:28 /mi

Average Pace

8:03 /mi

Slowest Pace

9:09 /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

52:26

25% of race

Time at Steady Pace

1:30:57

43% of race

Time at Slower Pace

1:07:30

32% of race

Average Pace: 8:03 /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 mi11:09:0223:097:2823:09
7:28
#12394
10K
6.21 mi11:33:0147:087:3623:59
7:44
#13601
15K
9.32 mi11:57:261:11:337:4124:25
7:52
#14336
20K
12.43 mi12:22:131:36:207:4624:47
7:59
#14750
HALF
13.11 mi12:27:311:41:387:465:18
7:47
#14779
25K
15.53 mi12:47:072:01:147:4919:36
8:05
#14983
30K
18.64 mi13:13:102:27:177:5526:03
8:24
#15209
20M
20.00 mi13:24:422:38:497:5711:32
8:30
#15263
21M
21.00 mi13:33:472:47:548:009:05
9:05
#15335
35K
21.75 mi13:39:422:53:498:005:55
7:55
#15255
23M
23.00 mi13:50:163:04:238:0210:34
8:27
#15265
24M
24.00 mi13:58:183:12:258:028:02
8:02
#15182
40K
24.85 mi14:05:253:19:328:027:07
8:20
#15144
25.2M
25.20 mi14:08:343:22:418:033:09
9:09
#15152
FINISH
26.22 mi14:16:463:30:538:038:12
8:03
#15179
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi123943146314615838(Top 55%)5250(Top 42%)5250(Top 302%)
10K6.21 mi3.10 mi13601-12073869-7233869-72314949(Top 52%)4671(Top 37%)4671(Top 269%)
15K9.32 mi3.11 mi14336-7354325-4564325-45615838(Top 55%)5250(Top 42%)5250(Top 302%)
20K12.43 mi3.11 mi14750-4144590-2654590-26515951(Top 55%)5356(Top 43%)5356(Top 308%)
HALF13.11 mi0.68 mi14779-294613-234613-2315421(Top 53%)4987(Top 40%)4987(Top 287%)
25K15.53 mi2.42 mi14983-2044736-1234736-12316013(Top 55%)5432(Top 43%)5432(Top 313%)
30K18.64 mi3.11 mi15209-2264928-1924928-19216174(Top 56%)5615(Top 45%)5615(Top 323%)
20M20.00 mi1.36 mi15263-544981-534981-5316149(Top 56%)5720(Top 45%)5720(Top 329%)
21M21.00 mi1.00 mi15335-725055-745055-7416576(Top 57%)6009(Top 48%)6009(Top 346%)
35K21.75 mi0.75 mi15255+805019+365019+3613895(Top 48%)4592(Top 37%)4592(Top 264%)
23M23.00 mi1.25 mi15265-105043-245043-2415360(Top 53%)5460(Top 43%)5460(Top 314%)
24M24.00 mi1.00 mi15182+835022+215022+2114039(Top 48%)4827(Top 38%)4827(Top 278%)
40K24.85 mi0.85 mi15144+385015+75015+714630(Top 50%)5227(Top 42%)5227(Top 301%)
25.2M25.20 mi0.35 mi15152-85028-135028-1315493(Top 53%)5692(Top 45%)5692(Top 328%)
FINISH26.22 mi1.02 mi15179-275054-265054-2615492(Top 53%)5680(Top 45%)5680(Top 327%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

15838

Females

5250

F40-44

5250

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

14949

Females

4671

F40-44

4671

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

15838

Females

5250

F40-44

5250

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

15951

Females

5356

F40-44

5356

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15421

Females

4987

F40-44

4987

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16013

Females

5432

F40-44

5432

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16174

Females

5615

F40-44

5615

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16149

Females

5720

F40-44

5720

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16576

Females

6009

F40-44

6009

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13895

Females

4592

F40-44

4592

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15360

Females

5460

F40-44

5460

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

14039

Females

4827

F40-44

4827

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14630

Females

5227

F40-44

5227

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15493

Females

5692

F40-44

5692

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15492

Females

5680

F40-44

5680

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1064
Passed By
1682
Net Change
-2785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12394
5K → 10K35200-1207#12394#13601
10K → 15K59200-735#13601#14336
15K → 20K76200-414#14336#14750
20K → HALF2251-29#14750#14779
HALF → 25K80200-204#14779#14983
25K → 30K131200-226#14983#15209
30K → 20M94148-54#15209#15263
20M → 21M87159-72#15263#15335
21M → 35K10121+80#15335#15255
35K → 23M7686-10#15255#15265
23M → 24M11936+83#15265#15182
24M → 40K9153+38#15182#15144
40K → 25.2M3038-8#15144#15152
25.2M → FINISH6390-27#15152#15179
TOTALS10641682-2785
📊

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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Export Track Data

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