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BOSTON MARATHON 2025

Mikayla Olsen

Bib: 13651•F

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:40
Rank: #7620
Start → 5K
6:58/mi
21:40 split
10K· 6.21 mi
42:59
Rank: #7284 (+336)
5K → 10K
6:52/mi
21:19 split
15K· 9.32 mi
1:03:57
Rank: #6769 (+515)
10K → 15K
6:45/mi
20:58 split
20K· 12.43 mi
1:25:13
Rank: #6472 (+297)
15K → 20K
6:51/mi
21:16 split
Half· 13.11 mi
1:29:52
Rank: #6466 (+6)
20K → Half
6:49/mi
4:39 split
25K· 15.53 mi
1:46:06
Rank: #5984 (+482)
Half → 25K
6:42/mi
16:14 split
30K· 18.64 mi
2:08:00
Rank: #5718 (+266)
25K → 30K
7:03/mi
21:54 split
20M
2:17:31
Rank: #5572 (+146)
30K → 20M
7:00/mi
9:31 split
21M
2:24:56
Rank: #5453 (+119)
20M → 21M
7:25/mi
7:25 split
35K· 21.75 mi
2:30:01
Rank: #5360 (+93)
21M → 35K
6:48/mi
5:05 split
23M
2:38:52
Rank: #5246 (+114)
35K → 23M
7:04/mi
8:51 split
24M
2:45:43
Rank: #5141 (+105)
23M → 24M
6:51/mi
6:51 split
40K· 24.85 mi
2:51:47
Rank: #5079 (+62)
24M → 40K
7:06/mi
6:04 split
25.2M
2:54:25
Rank: #5051 (+28)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
3:01:23
Rank: #4993 (+58)
25.2M → Finish
6:50/mi
6:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:52
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:31:31
Pace6:59 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1721:406:5821:40
6:58
-
10K
6.21 mi11:12:3642:596:5521:19
6:52
-0:06
15K
9.32 mi11:33:341:03:576:5220:58
6:45
-0:07
20K
12.43 mi11:54:501:25:136:5121:16
6:51
+0:06
Half
13.11 mi11:59:291:29:526:514:39
6:49
-0:02
25K
15.53 mi12:15:431:46:066:5016:14
6:42
-0:07
30K
18.64 mi12:37:372:08:006:5221:54
7:03
+0:21
20M
20.00 mi12:47:082:17:316:539:31
7:00
-0:03
21M
21.00 mi12:54:332:24:566:547:25
7:25
+0:25
35K
21.75 mi12:59:382:30:016:545:05
6:48
-0:37
23M
23.00 mi13:08:292:38:526:548:51
7:04
+0:16
24M
24.00 mi13:15:202:45:436:546:51
6:51
-0:13
40K
24.85 mi13:21:242:51:476:556:04
7:06
+0:15
25.2M
25.20 mi13:24:022:54:256:552:38
7:38
+0:32
Finish
26.22 mi13:31:003:01:236:556:58
6:50
-0:48

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

6:42 /mi

Average Pace

6:55 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:20

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:55 /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 mi10:51:1721:406:5821:40
6:58
#7620
10K
6.21 mi11:12:3642:596:5521:19
6:52
#7284
15K
9.32 mi11:33:341:03:576:5220:58
6:45
#6769
20K
12.43 mi11:54:501:25:136:5121:16
6:51
#6472
Half
13.11 mi11:59:291:29:526:514:39
6:49
#6466
25K
15.53 mi12:15:431:46:066:5016:14
6:42
#5984
30K
18.64 mi12:37:372:08:006:5221:54
7:03
#5718
20M
20.00 mi12:47:082:17:316:539:31
7:00
#5572
21M
21.00 mi12:54:332:24:566:547:25
7:25
#5453
35K
21.75 mi12:59:382:30:016:545:05
6:48
#5360
23M
23.00 mi13:08:292:38:526:548:51
7:04
#5246
24M
24.00 mi13:15:202:45:436:546:51
6:51
#5141
40K
24.85 mi13:21:242:51:476:556:04
7:06
#5079
25.2M
25.20 mi13:24:022:54:256:552:38
7:38
#5051
Finish
26.22 mi13:31:003:01:236:556:58
6:50
#4993
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76208528525602(Top 20%)464(Top 4%)464(Top 8%)
10K6.21 mi3.10 mi7284+336767+85767+856973(Top 25%)701(Top 6%)701(Top 13%)
15K9.32 mi3.11 mi6769+515653+114653+1145602(Top 20%)464(Top 4%)464(Top 8%)
20K12.43 mi3.11 mi6472+297602+51602+515756(Top 20%)498(Top 4%)498(Top 9%)
Half13.11 mi0.68 mi6466+6604-2604-26341(Top 22%)603(Top 5%)603(Top 11%)
25K15.53 mi2.42 mi5984+482526+78526+784119(Top 15%)277(Top 2%)277(Top 5%)
30K18.64 mi3.11 mi5718+266492+34492+345023(Top 18%)450(Top 4%)450(Top 8%)
20M20.00 mi1.36 mi5572+146469+23469+234145(Top 15%)344(Top 3%)344(Top 6%)
21M21.00 mi1.00 mi5453+119459+10459+104226(Top 15%)414(Top 3%)414(Top 8%)
35K21.75 mi0.75 mi5360+93453+6453+64132(Top 15%)421(Top 3%)421(Top 8%)
23M23.00 mi1.25 mi5246+114449+4449+44193(Top 15%)450(Top 4%)450(Top 8%)
24M24.00 mi1.00 mi5141+105439+10439+103844(Top 14%)427(Top 3%)427(Top 8%)
40K24.85 mi0.85 mi5079+62436+3436+34478(Top 16%)625(Top 5%)625(Top 11%)
25.2M25.20 mi0.35 mi5051+284364364107(Top 14%)585(Top 5%)585(Top 11%)
Finish26.22 mi1.02 mi4993+58440-4440-44744(Top 17%)769(Top 6%)769(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5602

Females

464

F18-39

464

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6973

Females

701

F18-39

701

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5602

Females

464

F18-39

464

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5756

Females

498

F18-39

498

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

6341

Females

603

F18-39

603

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

4119

Females

277

F18-39

277

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

5023

Females

450

F18-39

450

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4145

Females

344

F18-39

344

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4226

Females

414

F18-39

414

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4132

Females

421

F18-39

421

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4193

Females

450

F18-39

450

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3844

Females

427

F18-39

427

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4478

Females

625

F18-39

625

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4107

Females

585

F18-39

585

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4744

Females

769

F18-39

769

Passing Analysis

Category:
Athletes Passed
2905
Passed By
278
Net Change
+2627
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7620
5K → 10K40569+336#7620#7284
10K → 15K5194+515#7284#6769
15K → 20K32023+297#6769#6472
20K → Half2418+6#6472#6466
Half → 25K4820+482#6466#5984
25K → 30K32357+266#5984#5718
30K → 20M16216+146#5718#5572
20M → 21M13011+119#5572#5453
21M → 35K1018+93#5453#5360
35K → 23M13925+114#5360#5246
23M → 24M1127+105#5246#5141
24M → 40K7816+62#5141#5079
40K → 25.2M3810+28#5079#5051
25.2M → Finish7214+58#5051#4993
TOTALS2905278+2627
📊

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