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BOSTON MARATHON 2025

Emily Stevenson

MA

Bib: 11843 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 20%
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
7:29/mi
23:15
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:21/mi
46:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:21/mi
1:08:53
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:13/mi
1:31:18
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:11/mi
1:36:12
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:17/mi
1:53:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:56/mi
2:18:31
↑ 181↓ 1480.2%
138 ft elev
20M
7:25/mi
2:28:36
↑ 64↓ 500.2%
148 ft elev
21M
7:28/mi
2:36:04
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:28/mi
2:41:39
↑ 17↓ 861.7%
156 ft elev
23M
7:18/mi
2:50:47
↑ 23↓ 630.6%
116 ft elev
24M
7:00/mi
2:57:47
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:59/mi
3:03:45
↓ 200.3%
20 ft elev
25.2M
7:35/mi
3:06:22
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:43/mi
3:13:13
↑ 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
1:36:127:20 /mi⚖️ balanced
2nd Half
1:37:017:24 /mi⚖️ balanced
Even split — consistent pacing between halves
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:157:293.11 mi23:15
7:29
-
10K
46:047:253.10 mi22:49
7:21
-0:08
15K
1:08:537:233.11 mi22:49
7:21
0:00
20K
1:31:187:213.11 mi22:25
7:13
-0:08
Half(13.11 mi)
1:36:127:200.68 mi4:54
7:11
-0:02
25K
1:53:517:202.42 mi17:39
7:17
+0:06
30K
2:18:317:263.11 mi24:40
7:56
+0:39
20M
2:28:367:261.36 mi10:05
7:25
-0:31
21M
2:36:047:261.00 mi7:28
7:28
+0:03
35K
2:41:397:260.75 mi5:35
7:28
0:00
23M
2:50:477:261.25 mi9:08
7:18
-0:10
24M
2:57:477:241.00 mi7:00
7:00
-0:18
40K
3:03:457:240.85 mi5:58
6:59
-0:01
25.2M
3:06:227:240.35 mi2:37
7:35
+0:36
Finish(26.22 mi)
3:13:137:221.02 mi6:51
6:43
-0:52
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:43 /mi

Average Pace

7:22 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:59:33

62% of race

Time at Steady Pace

49:00

25% of race

Time at Slower Pace

24:40

13% of race

Average Pace: 7:22 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi12091284028401036320552055
10K3.10 mi11357+7342474+3662474+3661069821562156
15K3.11 mi10976+3812305+1692305+1691036320552055
20K3.11 mi10278+6982001+3042001+304834112471247
Half(13.11 mi)0.68 mi10204+741972+291972+29898814891489
25K2.42 mi9814+3901817+1551817+155822413041304
30K3.11 mi9973-1591942-1251942-1251094927502750
20M1.36 mi9634+3391827+1151827+1156543987987
21M1.00 mi9243+3911683+1441683+1444401467467
35K0.75 mi9181+621674+91674+9844418851885
23M1.25 mi8862+3191581+931581+935473819819
24M1.00 mi8590+2721498+831498+834678639639
40K0.85 mi8302+2881423+751423+753820465465
25.2M0.35 mi8209+931398+251398+253919553553
Finish(26.22 mi)1.02 mi7975+2341340+581340+584054572572

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10363

Females

2055

F18-39

2055

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10698

Females

2156

F18-39

2156

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10363

Females

2055

F18-39

2055

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8341

Females

1247

F18-39

1247

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8988

Females

1489

F18-39

1489

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8224

Females

1304

F18-39

1304

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10949

Females

2750

F18-39

2750

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6543

Females

987

F18-39

987

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4401

Females

467

F18-39

467

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8444

Females

1885

F18-39

1885

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5473

Females

819

F18-39

819

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4678

Females

639

F18-39

639

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3820

Females

465

F18-39

465

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3919

Females

553

F18-39

553

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

4054

Females

572

F18-39

572

Passing Analysis

Category:
Passed
4599*
Passed By
483
Net Change
+4116
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12091
5K → 10K78551+734#12091#11357
10K → 15K42746+381#11357#10976
15K → 20K7013+698#10976#10278
20K → Half773+74#10278#10204
Half → 25K404*14+390#10204#9814
25K → 30K175334-159#9814#9973
30K → 20M3412+339#9973#9634
20M → 21M3910+391#9634#9243
21M → 35K8220+62#9243#9181
35K → 23M3223+319#9181#8862
23M → 24M2731+272#8862#8590
24M → 40K2891+288#8590#8302
40K → 25.2M930+93#8302#8209
25.2M → Finish2395+234#8209#7975
TOTALS4599*483+4116

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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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