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BOSTON MARATHON 2025

Kristen Olsen

ME

Bib: 15458 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 44%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:34/mi
23:31
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:31/mi
49:58
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:17/mi
1:15:41
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:32/mi
1:42:12
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:18/mi
1:47:52
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:54/mi
2:09:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:02/mi
2:37:31
↑ 181↓ 1480.2%
138 ft elev
20M
9:17/mi
2:50:08
↑ 64↓ 500.2%
148 ft elev
21M
10:04/mi
3:00:12
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:00/mi
3:06:56
↑ 17↓ 861.7%
156 ft elev
23M
9:27/mi
3:18:46
↑ 23↓ 630.6%
116 ft elev
24M
9:19/mi
3:28:05
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:26/mi
3:36:09
↓ 200.3%
20 ft elev
25.2M
10:29/mi
3:39:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:04/mi
3:49:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:47:528:14 /mi⚡ faster
2nd Half
2:01:089:14 /mi+12.3%
Positive split — 12.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:317:343.11 mi23:31
7:34
-
10K
49:588:023.10 mi26:27
8:31
+0:57
15K
1:15:418:073.11 mi25:43
8:17
-0:14
20K
1:42:128:133.11 mi26:31
8:32
+0:15
Half(13.11 mi)
1:47:528:140.68 mi5:40
8:18
-0:14
25K
2:09:268:202.42 mi21:34
8:54
+0:36
30K
2:37:318:273.11 mi28:05
9:02
+0:08
20M
2:50:088:301.36 mi12:37
9:17
+0:15
21M
3:00:128:351.00 mi10:04
10:04
+0:47
35K
3:06:568:360.75 mi6:44
9:00
-1:04
23M
3:18:468:391.25 mi11:50
9:27
+0:27
24M
3:28:058:401.00 mi9:19
9:19
-0:08
40K
3:36:098:420.85 mi8:04
9:26
+0:07
25.2M
3:39:468:430.35 mi3:37
10:29
+1:03
Finish(26.22 mi)
3:49:008:441.02 mi9:14
9:04
-1:25
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:34 /mi

Average Pace

8:44 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:47:52

47% of race

Time at Steady Pace

1:27:33

38% of race

Time at Slower Pace

33:35

15% of race

Average Pace: 8:44 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi12873325632561791062636263
10K3.10 mi16856-39835645-23895645-23891988574037403
15K3.11 mi17234-3785852-2075852-2071791062636263
20K3.11 mi17513-2796040-1886040-1881847766166616
Half(13.11 mi)0.68 mi17520-76049-96049-91800563226322
25K2.42 mi17796-2766237-1886237-1881941172097209
30K3.11 mi17788+86280-436280-431788565216521
20M1.36 mi17828-406329-496329-491822868466846
21M1.00 mi17906-786379-506379-501856870937093
35K0.75 mi17896+106382-36382-31825070427042
23M1.25 mi17937-416461-796461-791848172237223
24M1.00 mi17965-286506-456506-451889374937493
40K0.85 mi17988-236545-396545-391844673547354
25.2M0.35 mi18023-356568-236568-231897476137613
Finish(26.22 mi)1.02 mi18084-616612-446612-441934577777777

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17910

Females

6263

F40-44

6263

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19885

Females

7403

F40-44

7403

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17910

Females

6263

F40-44

6263

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18477

Females

6616

F40-44

6616

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

18005

Females

6322

F40-44

6322

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19411

Females

7209

F40-44

7209

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17885

Females

6521

F40-44

6521

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18228

Females

6846

F40-44

6846

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18568

Females

7093

F40-44

7093

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18250

Females

7042

F40-44

7042

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18481

Females

7223

F40-44

7223

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

18893

Females

7493

F40-44

7493

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18446

Females

7354

F40-44

7354

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18974

Females

7613

F40-44

7613

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19345

Females

7777

F40-44

7777

Passing Analysis

Category:
Passed
1105
Passed By
6316
Net Change
-5211
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12873
5K → 10K63989-3983#12873#16856
10K → 15K91469-378#16856#17234
15K → 20K113392-279#17234#17513
20K → Half2835-7#17513#17520
Half → 25K100376-276#17520#17796
25K → 30K234226+8#17796#17788
30K → 20M107147-40#17788#17828
20M → 21M73151-78#17828#17906
21M → 35K7161+10#17906#17896
35K → 23M94135-41#17896#17937
23M → 24M7098-28#17937#17965
24M → 40K5578-23#17965#17988
40K → 25.2M1954-35#17988#18023
25.2M → Finish44105-61#18023#18084
TOTALS11056316-5211

Passing Charts

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