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BOSTON MARATHON 2025

Olivia Clark

Bib: 16016•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #7454
Start → 5K
21:36 | 6:57/mi
10K· 6.21 mi
43:06
Rank: #7414 (+40)
5K → 10K
21:30 | 6:55/mi
15K· 9.32 mi
1:04:39
Rank: #7355 (+59)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:26:08
Rank: #7079 (+276)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:30:45
Rank: #7010 (+69)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:47:36
Rank: #6777 (+233)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:09:37
Rank: #6348 (+429)
25K → 30K
22:01 | 7:05/mi
20M
2:19:14
Rank: #6150 (+198)
30K → 20M
9:37 | 7:05/mi
21M
2:26:39
Rank: #5986 (+164)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:31:41
Rank: #5856 (+130)
21M → 35K
5:02 | 6:44/mi
23M
2:40:28
Rank: #5658 (+198)
35K → 23M
8:47 | 7:01/mi
24M
2:47:18
Rank: #5517 (+141)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:53:16
Rank: #5411 (+106)
24M → 40K
5:58 | 6:59/mi
25.2M
2:55:54
Rank: #5362 (+49)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:02:51
Rank: #5282 (+80)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:45
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:32:06
Pace7:02 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3621:366:5721:36
6:57
-
10K
6.21 mi11:17:0643:066:5621:30
6:55
-0:02
15K
9.32 mi11:38:391:04:396:5621:33
6:56
+0:01
20K
12.43 mi12:00:081:26:086:5621:29
6:55
-0:01
Half
13.11 mi12:04:451:30:456:554:37
6:46
-0:09
25K
15.53 mi12:21:361:47:366:5616:51
6:57
+0:11
30K
18.64 mi12:43:372:09:376:5722:01
7:05
+0:08
20M
20.00 mi12:53:142:19:146:589:37
7:05
0:00
21M
21.00 mi13:00:392:26:396:597:25
7:25
+0:20
35K
21.75 mi13:05:412:31:416:585:02
6:44
-0:41
23M
23.00 mi13:14:282:40:286:598:47
7:01
+0:17
24M
24.00 mi13:21:182:47:186:586:50
6:50
-0:11
40K
24.85 mi13:27:162:53:166:585:58
6:59
+0:09
25.2M
25.20 mi13:29:542:55:546:592:38
7:38
+0:39
Finish
26.22 mi13:36:513:02:516:596:57
6:49
-0:49

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

6:44 /mi

Average Pace

6:59 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:48

95% of race

Time at Steady Pace

10:03

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:55:3621:366:5721:36
6:57
#7454
10K
6.21 mi11:17:0643:066:5621:30
6:55
#7414
15K
9.32 mi11:38:391:04:396:5621:33
6:56
#7355
20K
12.43 mi12:00:081:26:086:5621:29
6:55
#7079
Half
13.11 mi12:04:451:30:456:554:37
6:46
#7010
25K
15.53 mi12:21:361:47:366:5616:51
6:57
#6777
30K
18.64 mi12:43:372:09:376:5722:01
7:05
#6348
20M
20.00 mi12:53:142:19:146:589:37
7:05
#6150
21M
21.00 mi13:00:392:26:396:597:25
7:25
#5986
35K
21.75 mi13:05:412:31:416:585:02
6:44
#5856
23M
23.00 mi13:14:282:40:286:598:47
7:01
#5658
24M
24.00 mi13:21:182:47:186:586:50
6:50
#5517
40K
24.85 mi13:27:162:53:166:585:58
6:59
#5411
25.2M
25.20 mi13:29:542:55:546:592:38
7:38
#5362
Finish
26.22 mi13:36:513:02:516:596:57
6:49
#5282
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi74548048047215(Top 25%)784(Top 6%)784(Top 14%)
10K6.21 mi3.10 mi7414+40800+4800+47402(Top 26%)806(Top 7%)806(Top 15%)
15K9.32 mi3.11 mi7355+59795+5795+57215(Top 25%)784(Top 6%)784(Top 14%)
20K12.43 mi3.11 mi7079+276732+63732+636319(Top 22%)623(Top 5%)623(Top 11%)
Half13.11 mi0.68 mi7010+69716+16716+165933(Top 21%)531(Top 4%)531(Top 10%)
25K15.53 mi2.42 mi6777+233678+38678+385994(Top 21%)582(Top 5%)582(Top 11%)
30K18.64 mi3.11 mi6348+429625+53625+535250(Top 18%)498(Top 4%)498(Top 9%)
20M20.00 mi1.36 mi6150+198600+25600+254579(Top 16%)411(Top 3%)411(Top 8%)
21M21.00 mi1.00 mi5986+164579+21579+214227(Top 15%)415(Top 3%)415(Top 8%)
35K21.75 mi0.75 mi5856+130552+27552+273746(Top 13%)360(Top 3%)360(Top 7%)
23M23.00 mi1.25 mi5658+198527+25527+253884(Top 14%)389(Top 3%)389(Top 7%)
24M24.00 mi1.00 mi5517+141512+15512+153741(Top 13%)408(Top 3%)408(Top 7%)
40K24.85 mi0.85 mi5411+106499+13499+133812(Top 13%)457(Top 4%)457(Top 8%)
25.2M25.20 mi0.35 mi5362+49497+2497+24108(Top 14%)586(Top 5%)586(Top 11%)
Finish26.22 mi1.02 mi5282+80496+1496+14646(Top 16%)741(Top 6%)741(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7215

Females

784

F18-39

784

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7402

Females

806

F18-39

806

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7215

Females

784

F18-39

784

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6319

Females

623

F18-39

623

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5933

Females

531

F18-39

531

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5994

Females

582

F18-39

582

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5250

Females

498

F18-39

498

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4579

Females

411

F18-39

411

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4227

Females

415

F18-39

415

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3746

Females

360

F18-39

360

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3884

Females

389

F18-39

389

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3741

Females

408

F18-39

408

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3812

Females

457

F18-39

457

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4108

Females

586

F18-39

586

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4646

Females

741

F18-39

741

Passing Analysis

Category:
Athletes Passed
2567
Passed By
395
Net Change
+2172
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7454
5K → 10K223183+40#7454#7414
10K → 15K164105+59#7414#7355
15K → 20K30226+276#7355#7079
20K → Half723+69#7079#7010
Half → 25K24916+233#7010#6777
25K → 30K44314+429#6777#6348
30K → 20M2057+198#6348#6150
20M → 21M1706+164#6150#5986
21M → 35K1355+130#5986#5856
35K → 23M2002+198#5856#5658
23M → 24M1465+141#5658#5517
24M → 40K1115+106#5517#5411
40K → 25.2M512+49#5411#5362
25.2M → Finish9616+80#5362#5282
TOTALS2567395+2172
📊

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