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BOSTON MARATHON 2025

Olivia Cordes

Bib: 20089•F

OR

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:33
Rank: #15702
Start → 5K
24:33 | 7:54/mi
10K· 6.21 mi
48:47
Rank: #15251 (+451)
5K → 10K
24:14 | 7:48/mi
15K· 9.32 mi
1:12:47
Rank: #14701 (+550)
10K → 15K
24:00 | 7:43/mi
20K· 12.43 mi
1:36:54
Rank: #14230 (+471)
15K → 20K
24:07 | 7:46/mi
Half· 13.11 mi
1:42:06
Rank: #14150 (+80)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
2:00:57
Rank: #13774 (+376)
Half → 25K
18:51 | 7:46/mi
30K· 18.64 mi
2:25:59
Rank: #13346 (+428)
25K → 30K
25:02 | 8:03/mi
20M
2:37:06
Rank: #13173 (+173)
30K → 20M
11:07 | 8:11/mi
21M
2:45:28
Rank: #12925 (+248)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:51:10
Rank: #12814 (+111)
21M → 35K
5:42 | 7:37/mi
23M
3:00:48
Rank: #12449 (+365)
35K → 23M
9:38 | 7:42/mi
24M
3:08:20
Rank: #12235 (+214)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:14:42
Rank: #11970 (+265)
24M → 40K
6:22 | 7:27/mi
25.2M
3:17:25
Rank: #11836 (+134)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:24:21
Rank: #11461 (+375)
25.2M → Finish
6:56 | 6:48/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:42:06
Pace7:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:42:15
Pace7:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1724:337:5424:33
7:54
-
10K
6.21 mi11:41:3148:477:5124:14
7:48
-0:06
15K
9.32 mi12:05:311:12:477:4924:00
7:43
-0:05
20K
12.43 mi12:29:381:36:547:4824:07
7:46
+0:03
Half
13.11 mi12:34:501:42:067:475:12
7:37
-0:09
25K
15.53 mi12:53:412:00:577:4718:51
7:46
+0:09
30K
18.64 mi13:18:432:25:597:5025:02
8:03
+0:17
20M
20.00 mi13:29:502:37:067:5111:07
8:11
+0:08
21M
21.00 mi13:38:122:45:287:538:22
8:22
+0:11
35K
21.75 mi13:43:542:51:107:525:42
7:37
-0:45
23M
23.00 mi13:53:323:00:487:529:38
7:42
+0:05
24M
24.00 mi14:01:043:08:207:517:32
7:32
-0:10
40K
24.85 mi14:07:263:14:427:506:22
7:27
-0:05
25.2M
25.20 mi14:10:093:17:257:502:43
7:53
+0:26
Finish
26.22 mi14:17:053:24:217:486:56
6:48
-1:05

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

6:48 /mi

Average Pace

7:48 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:50

10% of race

Time at Steady Pace

2:19:00

68% of race

Time at Slower Pace

44:31

22% of race

Average Pace: 7:48 /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 mi11:17:1724:337:5424:33
7:54
#15702
10K
6.21 mi11:41:3148:477:5124:14
7:48
#15251
15K
9.32 mi12:05:311:12:477:4924:00
7:43
#14701
20K
12.43 mi12:29:381:36:547:4824:07
7:46
#14230
Half
13.11 mi12:34:501:42:067:475:12
7:37
#14150
25K
15.53 mi12:53:412:00:577:4718:51
7:46
#13774
30K
18.64 mi13:18:432:25:597:5025:02
8:03
#13346
20M
20.00 mi13:29:502:37:067:5111:07
8:11
#13173
21M
21.00 mi13:38:122:45:287:538:22
8:22
#12925
35K
21.75 mi13:43:542:51:107:525:42
7:37
#12814
23M
23.00 mi13:53:323:00:487:529:38
7:42
#12449
24M
24.00 mi14:01:043:08:207:517:32
7:32
#12235
40K
24.85 mi14:07:263:14:427:506:22
7:27
#11970
25.2M
25.20 mi14:10:093:17:257:502:43
7:53
#11836
Finish
26.22 mi14:17:053:24:217:486:56
6:48
#11461
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157024954495413743(Top 48%)3861(Top 32%)3861(Top 71%)
10K6.21 mi3.10 mi15251+4514690+2644690+26414800(Top 52%)4419(Top 36%)4419(Top 81%)
15K9.32 mi3.11 mi14701+5504370+3204370+32013743(Top 48%)3861(Top 32%)3861(Top 71%)
20K12.43 mi3.11 mi14230+4714136+2344136+23412967(Top 46%)3526(Top 29%)3526(Top 64%)
Half13.11 mi0.68 mi14150+804092+444092+4412790(Top 45%)3369(Top 28%)3369(Top 62%)
25K15.53 mi2.42 mi13774+3763912+1803912+18012141(Top 43%)3183(Top 26%)3183(Top 58%)
30K18.64 mi3.11 mi13346+4283739+1733739+17311801(Top 42%)3191(Top 26%)3191(Top 58%)
20M20.00 mi1.36 mi13173+1733675+643675+6411696(Top 41%)3294(Top 27%)3294(Top 60%)
21M21.00 mi1.00 mi12925+2483568+1073568+1079681(Top 34%)2468(Top 20%)2468(Top 45%)
35K21.75 mi0.75 mi12814+1113526+423526+429530(Top 34%)2385(Top 20%)2385(Top 44%)
23M23.00 mi1.25 mi12449+3653376+1503376+1507896(Top 28%)1784(Top 15%)1784(Top 33%)
24M24.00 mi1.00 mi12235+2143290+863290+867990(Top 28%)1875(Top 15%)1875(Top 34%)
40K24.85 mi0.85 mi11970+2653200+903200+906541(Top 23%)1369(Top 11%)1369(Top 25%)
25.2M25.20 mi0.35 mi11836+1343138+623138+625426(Top 19%)1056(Top 9%)1056(Top 19%)
Finish26.22 mi1.02 mi11461+3752986+1522986+1524577(Top 16%)732(Top 6%)732(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13743

Females

3861

F18-39

3861

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

14800

Females

4419

F18-39

4419

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13743

Females

3861

F18-39

3861

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12967

Females

3526

F18-39

3526

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12790

Females

3369

F18-39

3369

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12141

Females

3183

F18-39

3183

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11801

Females

3191

F18-39

3191

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11696

Females

3294

F18-39

3294

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9681

Females

2468

F18-39

2468

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9530

Females

2385

F18-39

2385

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7896

Females

1784

F18-39

1784

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7990

Females

1875

F18-39

1875

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6541

Females

1369

F18-39

1369

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5426

Females

1056

F18-39

1056

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4577

Females

732

F18-39

732

Passing Analysis

Category:
Athletes Passed
4561
Passed By
320
Net Change
+4241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15702
5K → 10K592141+451#15702#15251
10K → 15K57929+550#15251#14701
15K → 20K49625+471#14701#14230
20K → Half822+80#14230#14150
Half → 25K39721+376#14150#13774
25K → 30K47446+428#13774#13346
30K → 20M20431+173#13346#13173
20M → 21M25911+248#13173#12925
21M → 35K1165+111#12925#12814
35K → 23M3683+365#12814#12449
23M → 24M2162+214#12449#12235
24M → 40K2672+265#12235#11970
40K → 25.2M1351+134#11970#11836
25.2M → Finish3761+375#11836#11461
TOTALS4561320+4241
📊

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