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BOSTON MARATHON 2026

Eileen O'Connor

Bib: 18663•F

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Top 49%
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
27:58
3.11 mi
Rank: #22675
Start → 5K
27:58 | 9:01/mi
10K
55:42
6.21 mi
Rank: #22583 (+92)
5K → 10K
27:44 | 8:56/mi
15K
1:23:51
9.32 mi
Rank: #22721 (-138)
10K → 15K
28:09 | 9:04/mi
20K
1:51:46
12.43 mi
Rank: #22457 (+264)
15K → 20K
27:55 | 9:00/mi
HALF
1:57:50
13.11 mi
Rank: #22440 (+17)
20K → HALF
6:04 | 8:55/mi
25K
2:19:40
15.53 mi
Rank: #22219 (+221)
HALF → 25K
21:50 | 9:01/mi
30K
2:48:30
18.64 mi
Rank: #21946 (+273)
25K → 30K
28:50 | 9:17/mi
20M
3:01:06
20.00 mi
Rank: #21805 (+141)
30K → 20M
12:36 | 9:17/mi
21M
3:10:27
21.00 mi
Rank: #21584 (+221)
20M → 21M
9:21 | 9:21/mi
35K
3:17:21
21.75 mi
Rank: #21554 (+30)
21M → 35K
6:54 | 9:14/mi
23M
3:28:56
23.00 mi
Rank: #21451 (+103)
35K → 23M
11:35 | 9:16/mi
24M
3:38:15
24.00 mi
Rank: #21439 (+12)
23M → 24M
9:19 | 9:19/mi
40K
3:46:23
24.85 mi
Rank: #21416 (+23)
24M → 40K
8:08 | 9:31/mi
25.2M
3:49:44
25.20 mi
Rank: #21374 (+42)
40K → 25.2M
3:21 | 9:43/mi
FINISH
3:58:11
26.22 mi
Rank: #21224 (+150)
25.2M → FINISH
8:27 | 8:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:50
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:00:21
Pace9:11 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5027:589:0127:58
9:01
-
10K
6.21 mi12:20:3455:428:5827:44
8:56
-0:05
15K
9.32 mi12:48:431:23:519:0028:09
9:04
+0:08
20K
12.43 mi13:16:381:51:469:0027:55
9:00
-0:04
HALF
13.11 mi13:22:421:57:509:006:04
8:55
-0:05
25K
15.53 mi13:44:322:19:409:0021:50
9:01
+0:06
30K
18.64 mi14:13:222:48:309:0328:50
9:17
+0:16
20M
20.00 mi14:25:583:01:069:0412:36
9:17
0:00
21M
21.00 mi14:35:193:10:279:059:21
9:21
+0:04
35K
21.75 mi14:42:133:17:219:056:54
9:14
-0:07
23M
23.00 mi14:53:483:28:569:0611:35
9:16
+0:02
24M
24.00 mi15:03:073:38:159:069:19
9:19
+0:03
40K
24.85 mi15:11:153:46:239:078:08
9:31
+0:12
25.2M
25.20 mi15:14:363:49:449:073:21
9:43
+0:12
FINISH
26.22 mi15:23:033:58:119:068:27
8:18
-1:25

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

8:18 /mi

Average Pace

9:05 /mi

Slowest Pace

9:43 /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

2:28:07

62% of race

Time at Steady Pace

1:30:04

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:52:5027:589:0127:58
9:01
#22675
10K
6.21 mi12:20:3455:428:5827:44
8:56
#22583
15K
9.32 mi12:48:431:23:519:0028:09
9:04
#22721
20K
12.43 mi13:16:381:51:469:0027:55
9:00
#22457
HALF
13.11 mi13:22:421:57:509:006:04
8:55
#22440
25K
15.53 mi13:44:322:19:409:0021:50
9:01
#22219
30K
18.64 mi14:13:222:48:309:0328:50
9:17
#21946
20M
20.00 mi14:25:583:01:069:0412:36
9:17
#21805
21M
21.00 mi14:35:193:10:279:059:21
9:21
#21584
35K
21.75 mi14:42:133:17:219:056:54
9:14
#21554
23M
23.00 mi14:53:483:28:569:0611:35
9:16
#21451
24M
24.00 mi15:03:073:38:159:069:19
9:19
#21439
40K
24.85 mi15:11:153:46:239:078:08
9:31
#21416
25.2M
25.20 mi15:14:363:49:449:073:21
9:43
#21374
FINISH
26.22 mi15:23:033:58:119:068:27
8:18
#21224
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi226759008900822972(Top 79%)9124(Top 73%)9124(Top 959%)
10K6.21 mi3.10 mi22583+928947+618947+6122524(Top 78%)8913(Top 71%)8913(Top 937%)
15K9.32 mi3.11 mi22721-1389014-679014-6722972(Top 79%)9124(Top 73%)9124(Top 959%)
20K12.43 mi3.11 mi22457+2648885+1298885+12921859(Top 75%)8583(Top 68%)8583(Top 903%)
HALF13.11 mi0.68 mi22440+178876+98876+922299(Top 77%)8791(Top 70%)8791(Top 924%)
25K15.53 mi2.42 mi22219+2218772+1048772+10421206(Top 73%)8273(Top 66%)8273(Top 870%)
30K18.64 mi3.11 mi21946+2738655+1178655+11720870(Top 72%)8194(Top 65%)8194(Top 862%)
20M20.00 mi1.36 mi21805+1418603+528603+5220213(Top 70%)7927(Top 63%)7927(Top 834%)
21M21.00 mi1.00 mi21584+2218500+1038500+10317896(Top 62%)6746(Top 54%)6746(Top 709%)
35K21.75 mi0.75 mi21554+308488+128488+1220903(Top 72%)8396(Top 67%)8396(Top 883%)
23M23.00 mi1.25 mi21451+1038439+498439+4919673(Top 68%)7821(Top 62%)7821(Top 822%)
24M24.00 mi1.00 mi21439+128452-138452-1320705(Top 71%)8400(Top 67%)8400(Top 883%)
40K24.85 mi0.85 mi21416+238455-38455-320463(Top 71%)8311(Top 66%)8311(Top 874%)
25.2M25.20 mi0.35 mi21374+428434+218434+2118358(Top 63%)7250(Top 58%)7250(Top 762%)
FINISH26.22 mi1.02 mi21224+1508362+728362+7217045(Top 59%)6553(Top 52%)6553(Top 689%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22972

Females

9124

F55-59

9124

5K→10K

3.1 - 6.2 mi

Top 78%
×5
+79ft-138ft

Overall

22524

Females

8913

F55-59

8913

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22972

Females

9124

F55-59

9124

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21859

Females

8583

F55-59

8583

20K→HALF

12.4 - 13.1 mi

Top 77%
×2
+19ft-37ft

Overall

22299

Females

8791

F55-59

8791

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21206

Females

8273

F55-59

8273

25K→30K

15.5 - 18.6 mi

Top 72%
×9
+181ft-148ft

Overall

20870

Females

8194

F55-59

8194

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20213

Females

7927

F55-59

7927

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

17896

Females

6746

F55-59

6746

21M→35K

21.0 - 21.8 mi

Top 72%
×7
+17ft-86ft

Overall

20903

Females

8396

F55-59

8396

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19673

Females

7821

F55-59

7821

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20705

Females

8400

F55-59

8400

24M→40K

24.0 - 24.9 mi

Top 71%
×1
+6ft-20ft

Overall

20463

Females

8311

F55-59

8311

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18358

Females

7250

F55-59

7250

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17045

Females

6553

F55-59

6553

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2191*
Passed By
696
Net Change
+1451
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22675
5K → 10K292*200+92#22675#22583
10K → 15K106200-138#22583#22721
15K → 20K316*52+264#22721#22457
20K → HALF3720+17#22457#22440
HALF → 25K240*19+221#22440#22219
25K → 30K319*46+273#22219#21946
30K → 20M15817+141#21946#21805
20M → 21M222*1+221#21805#21584
21M → 35K5121+30#21584#21554
35K → 23M13027+103#21554#21451
23M → 24M5341+12#21451#21439
24M → 40K6441+23#21439#21416
40K → 25.2M475+42#21416#21374
25.2M → FINISH1566+150#21374#21224
TOTALS2191*696+1451

* 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