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BOSTON MARATHON 2025

Devin O'Connor

Bib: 17410•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:23
Rank: #17898
Start → 5K
25:23 | 8:10/mi
10K· 6.21 mi
51:35
Rank: #18612 (-714)
5K → 10K
26:12 | 8:26/mi
15K· 9.32 mi
1:16:47
Rank: #18025 (+587)
10K → 15K
25:12 | 8:07/mi
20K· 12.43 mi
1:42:05
Rank: #17434 (+591)
15K → 20K
25:18 | 8:09/mi
Half· 13.11 mi
1:47:24
Rank: #17278 (+156)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:06:53
Rank: #16763 (+515)
Half → 25K
19:29 | 8:02/mi
30K· 18.64 mi
2:32:35
Rank: #16123 (+640)
25K → 30K
25:42 | 8:16/mi
20M
2:43:53
Rank: #15820 (+303)
30K → 20M
11:18 | 8:19/mi
21M
2:52:31
Rank: #15496 (+324)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:58:35
Rank: #15390 (+106)
21M → 35K
6:04 | 8:07/mi
23M
3:09:01
Rank: #15161 (+229)
35K → 23M
10:26 | 8:20/mi
24M
3:17:27
Rank: #15073 (+88)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:24:35
Rank: #14963 (+110)
24M → 40K
7:08 | 8:21/mi
25.2M
3:27:34
Rank: #14857 (+106)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:35:21
Rank: #14648 (+209)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:24
Pace8:12 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:47:57
Pace8:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4125:238:1025:23
8:10
-
10K
6.21 mi11:41:5351:358:1826:12
8:26
+0:16
15K
9.32 mi12:07:051:16:478:1425:12
8:07
-0:19
20K
12.43 mi12:32:231:42:058:1325:18
8:09
+0:02
Half
13.11 mi12:37:421:47:248:125:19
7:48
-0:21
25K
15.53 mi12:57:112:06:538:1019:29
8:02
+0:14
30K
18.64 mi13:22:532:32:358:1125:42
8:16
+0:14
20M
20.00 mi13:34:112:43:538:1211:18
8:19
+0:03
21M
21.00 mi13:42:492:52:318:138:38
8:38
+0:19
35K
21.75 mi13:48:532:58:358:136:04
8:07
-0:31
23M
23.00 mi13:59:193:09:018:1310:26
8:20
+0:13
24M
24.00 mi14:07:453:17:278:148:26
8:26
+0:06
40K
24.85 mi14:14:533:24:358:147:08
8:21
-0:05
25.2M
25.20 mi14:17:523:27:348:142:59
8:39
+0:18
Finish
26.22 mi14:25:393:35:218:137:47
7:38
-1:01

Checkpoints & Pacing

📈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

7:38 /mi

Average Pace

8:13 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:06

79% of race

Time at Steady Pace

46:15

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:15:4125:238:1025:23
8:10
#17898
10K
6.21 mi11:41:5351:358:1826:12
8:26
#18612
15K
9.32 mi12:07:051:16:478:1425:12
8:07
#18025
20K
12.43 mi12:32:231:42:058:1325:18
8:09
#17434
Half
13.11 mi12:37:421:47:248:125:19
7:48
#17278
25K
15.53 mi12:57:112:06:538:1019:29
8:02
#16763
30K
18.64 mi13:22:532:32:358:1125:42
8:16
#16123
20M
20.00 mi13:34:112:43:538:1211:18
8:19
#15820
21M
21.00 mi13:42:492:52:318:138:38
8:38
#15496
35K
21.75 mi13:48:532:58:358:136:04
8:07
#15390
23M
23.00 mi13:59:193:09:018:1310:26
8:20
#15161
24M
24.00 mi14:07:453:17:278:148:26
8:26
#15073
40K
24.85 mi14:14:533:24:358:147:08
8:21
#14963
25.2M
25.20 mi14:17:523:27:348:142:59
8:39
#14857
Finish
26.22 mi14:25:393:35:218:137:47
7:38
#14648
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi178986274627416810(Top 59%)5613(Top 46%)5613(Top 103%)
10K6.21 mi3.10 mi18612-7146682-4086682-40819389(Top 68%)7098(Top 58%)7098(Top 130%)
15K9.32 mi3.11 mi18025+5876347+3356347+33516810(Top 59%)5613(Top 46%)5613(Top 103%)
20K12.43 mi3.11 mi17434+5915992+3555992+35515942(Top 56%)5178(Top 42%)5178(Top 95%)
Half13.11 mi0.68 mi17278+1565914+785914+7814287(Top 50%)4238(Top 35%)4238(Top 77%)
25K15.53 mi2.42 mi16763+5155625+2895625+28914192(Top 50%)4305(Top 35%)4305(Top 79%)
30K18.64 mi3.11 mi16123+6405297+3285297+32813329(Top 47%)4020(Top 33%)4020(Top 74%)
20M20.00 mi1.36 mi15820+3035162+1355162+13512624(Top 44%)3771(Top 31%)3771(Top 69%)
21M21.00 mi1.00 mi15496+3245011+1515011+15111324(Top 40%)3266(Top 27%)3266(Top 60%)
35K21.75 mi0.75 mi15390+1064966+454966+4513047(Top 46%)4195(Top 34%)4195(Top 77%)
23M23.00 mi1.25 mi15161+2294862+1044862+10412271(Top 43%)3896(Top 32%)3896(Top 71%)
24M24.00 mi1.00 mi15073+884843+194843+1914120(Top 50%)4886(Top 40%)4886(Top 89%)
40K24.85 mi0.85 mi14963+1104809+344809+3412465(Top 44%)4174(Top 34%)4174(Top 76%)
25.2M25.20 mi0.35 mi14857+1064757+524757+529844(Top 35%)2970(Top 24%)2970(Top 54%)
Finish26.22 mi1.02 mi14648+2094672+854672+8510269(Top 36%)3129(Top 26%)3129(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16810

Females

5613

F18-39

5613

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19389

Females

7098

F18-39

7098

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16810

Females

5613

F18-39

5613

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15942

Females

5178

F18-39

5178

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14287

Females

4238

F18-39

4238

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14192

Females

4305

F18-39

4305

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13329

Females

4020

F18-39

4020

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12624

Females

3771

F18-39

3771

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11324

Females

3266

F18-39

3266

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13047

Females

4195

F18-39

4195

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12271

Females

3896

F18-39

3896

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14120

Females

4886

F18-39

4886

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12465

Females

4174

F18-39

4174

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9844

Females

2970

F18-39

2970

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10269

Females

3129

F18-39

3129

Passing Analysis

Category:
Athletes Passed
4193
Passed By
943
Net Change
+3250
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17898
5K → 10K75789-714#17898#18612
10K → 15K61124+587#18612#18025
15K → 20K60110+591#18025#17434
20K → Half1571+156#17434#17278
Half → 25K5194+515#17278#16763
25K → 30K65212+640#16763#16123
30K → 20M3129+303#16123#15820
20M → 21M3306+324#15820#15496
21M → 35K11812+106#15496#15390
35K → 23M24415+229#15390#15161
23M → 24M12739+88#15161#15073
24M → 40K12818+110#15073#14963
40K → 25.2M1093+106#14963#14857
25.2M → Finish2101+209#14857#14648
TOTALS4193943+3250
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing