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BOSTON MARATHON 2025

Lauren O'Connell

Bib: 26444•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 37%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:40/mi
23:50
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
46:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:07
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:36:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:41:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:02:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:29:00
↑ 181↓ 1480.2%
20M
8:42/mi
2:40:49
↑ 64↓ 500.2%
21M
9:05/mi
2:49:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
2:56:17
↑ 17↓ 861.7%
23M
8:34/mi
3:07:01
↑ 23↓ 630.6%
24M
8:22/mi
3:15:23
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:22:37
↓ 200.3%
25.2M
9:05/mi
3:25:45
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:34:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:59
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:52:03
Pace8:33 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:3723:507:4023:50
7:40
-
10K
6.21 mi12:02:1446:277:2922:37
7:17
-0:23
15K
9.32 mi12:25:541:10:077:3123:40
7:37
+0:20
20K
12.43 mi12:52:191:36:327:4626:25
8:30
+0:53
Half
13.11 mi12:57:461:41:597:475:27
7:59
-0:31
25K
15.53 mi13:18:042:02:177:5220:18
8:22
+0:23
30K
18.64 mi13:44:472:29:008:0026:43
8:36
+0:14
20M
20.00 mi13:56:362:40:498:0211:49
8:42
+0:06
21M
21.00 mi14:05:412:49:548:059:05
9:05
+0:23
35K
21.75 mi14:12:042:56:178:066:23
8:32
-0:33
23M
23.00 mi14:22:483:07:018:0810:44
8:34
+0:02
24M
24.00 mi14:31:103:15:238:088:22
8:22
-0:12
40K
24.85 mi14:38:243:22:378:097:14
8:28
+0:06
25.2M
25.20 mi14:41:323:25:458:103:08
9:05
+0:37
Finish
26.22 mi14:49:493:34:028:108:17
8:08
-0:57

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

7:17 /mi

Average Pace

8:10 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:51

39% of race

Time at Steady Pace

1:57:58

55% of race

Time at Slower Pace

12:13

6% of race

Average Pace: 8:10 /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 mi11:39:3723:507:4023:50
7:40
#13728
10K
6.21 mi12:02:1446:277:2922:37
7:17
#11926
15K
9.32 mi12:25:541:10:077:3123:40
7:37
#12196
20K
12.43 mi12:52:191:36:327:4626:25
8:30
#13979
Half
13.11 mi12:57:461:41:597:475:27
7:59
#14075
25K
15.53 mi13:18:042:02:177:5220:18
8:22
#14487
30K
18.64 mi13:44:472:29:008:0026:43
8:36
#14668
20M
20.00 mi13:56:362:40:498:0211:49
8:42
#14673
21M
21.00 mi14:05:412:49:548:059:05
9:05
#14607
35K
21.75 mi14:12:042:56:178:066:23
8:32
#14619
23M
23.00 mi14:22:483:07:018:0810:44
8:34
#14533
24M
24.00 mi14:31:103:15:238:088:22
8:22
#14488
40K
24.85 mi14:38:243:22:378:097:14
8:28
#14394
25.2M
25.20 mi14:41:323:25:458:103:08
9:05
#14363
Finish
26.22 mi14:49:493:34:028:108:17
8:08
#14302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137283728372812765(Top 45%)3318(Top 27%)3318(Top 61%)
10K6.21 mi3.10 mi11926+18022771+9572771+95710208(Top 36%)1920(Top 16%)1920(Top 35%)
15K9.32 mi3.11 mi12196-2702947-1762947-17612765(Top 45%)3318(Top 27%)3318(Top 61%)
20K12.43 mi3.11 mi13979-17833991-10443991-104418260(Top 64%)6476(Top 53%)6476(Top 118%)
Half13.11 mi0.68 mi14075-964048-574048-5715825(Top 56%)5060(Top 41%)5060(Top 93%)
25K15.53 mi2.42 mi14487-4124327-2794327-27916386(Top 58%)5520(Top 45%)5520(Top 101%)
30K18.64 mi3.11 mi14668-1814484-1574484-15715395(Top 54%)5119(Top 42%)5119(Top 94%)
20M20.00 mi1.36 mi14673-54516-324516-3215047(Top 53%)5068(Top 41%)5068(Top 93%)
21M21.00 mi1.00 mi14607+664502+144502+1414025(Top 49%)4647(Top 38%)4647(Top 85%)
35K21.75 mi0.75 mi14619-124518-164518-1615679(Top 55%)5597(Top 46%)5597(Top 102%)
23M23.00 mi1.25 mi14533+864502+164502+1613766(Top 48%)4675(Top 38%)4675(Top 85%)
24M24.00 mi1.00 mi14488+454507-54507-513682(Top 48%)4656(Top 38%)4656(Top 85%)
40K24.85 mi0.85 mi14394+944490+174490+1713208(Top 47%)4553(Top 37%)4553(Top 83%)
25.2M25.20 mi0.35 mi14363+314486+44486+412361(Top 44%)4160(Top 34%)4160(Top 76%)
Finish26.22 mi1.02 mi14302+614480+64480+613814(Top 49%)4860(Top 40%)4860(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12765

Females

3318

F18-39

3318

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10208

Females

1920

F18-39

1920

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12765

Females

3318

F18-39

3318

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18260

Females

6476

F18-39

6476

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

15825

Females

5060

F18-39

5060

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16386

Females

5520

F18-39

5520

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15395

Females

5119

F18-39

5119

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15047

Females

5068

F18-39

5068

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

14025

Females

4647

F18-39

4647

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15679

Females

5597

F18-39

5597

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13766

Females

4675

F18-39

4675

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13682

Females

4656

F18-39

4656

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13208

Females

4553

F18-39

4553

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12361

Females

4160

F18-39

4160

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

13814

Females

4860

F18-39

4860

Passing Analysis

Category:
Athletes Passed
3041
Passed By
3615
Net Change
-574
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13728
5K → 10K18097+1802#13728#11926
10K → 15K105375-270#11926#12196
15K → 20K221805-1783#12196#13979
20K → Half12108-96#13979#14075
Half → 25K74486-412#14075#14487
25K → 30K188369-181#14487#14668
30K → 20M139144-5#14668#14673
20M → 21M13064+66#14673#14607
21M → 35K7082-12#14607#14619
35K → 23M13549+86#14619#14533
23M → 24M8944+45#14533#14488
24M → 40K12127+94#14488#14394
40K → 25.2M4615+31#14394#14363
25.2M → Finish10140+61#14363#14302
TOTALS30413615-574
📊

Passing Visuals

Category:
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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