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BOSTON MARATHON 2025

Jess Mcclain

Bib: 131 F US

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.2%
Gender (Female)
#0 / 12228
Top 0.1%
Division (F18-39)
#0 / 5469
Top 0.1%
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
5:25/mi
16:51
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
5:12/mi
32:59
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
5:20/mi
49:32
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
5:27/mi
1:06:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
5:24/mi
1:10:08
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
5:29/mi
1:23:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
5:31/mi
1:40:35
↑ 181↓ 1480.2%
138 ft elev
20M
5:41/mi
1:48:18
↑ 64↓ 500.2%
148 ft elev
21M
6:00/mi
1:54:18
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
5:25/mi
1:58:21
↑ 17↓ 861.7%
156 ft elev
23M
5:35/mi
2:05:21
↑ 23↓ 630.6%
116 ft elev
24M
5:28/mi
2:10:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
5:25/mi
2:15:27
↓ 200.3%
20 ft elev
25.2M
5:51/mi
2:17:28
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
5:09/mi
2:22:43
↑ 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
1:10:085:21 /mi⚡ faster
2nd Half
1:12:355:32 /mi+3.5%
Positive split — 3.5% 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
16:515:253.11 mi16:51
5:25
-
10K
32:595:183.10 mi16:08
5:12
-0:13
15K
49:325:193.11 mi16:33
5:20
+0:08
20K
1:06:275:213.11 mi16:55
5:27
+0:07
Half(13.11 mi)
1:10:085:210.68 mi3:41
5:24
-0:03
25K
1:23:265:222.42 mi13:18
5:29
+0:05
30K
1:40:355:243.11 mi17:09
5:31
+0:02
20M
1:48:185:251.36 mi7:43
5:41
+0:10
21M
1:54:185:271.00 mi6:00
6:00
+0:19
35K
1:58:215:270.75 mi4:03
5:25
-0:35
23M
2:05:215:271.25 mi7:00
5:35
+0:10
24M
2:10:495:271.00 mi5:28
5:28
-0:07
40K
2:15:275:270.85 mi4:38
5:25
-0:03
25.2M
2:17:285:270.35 mi2:01
5:51
+0:26
Finish(26.22 mi)
2:22:435:271.02 mi5:15
5:09
-0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:09 /mi

Average Pace

5:27 /mi

Slowest Pace

6:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:06:59

89% of race

Time at Steady Pace

15:44

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:27 /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

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi1531515811515
10K6.21 mi3.10 mi86+6717-217-2661717
15K9.32 mi3.11 mi81+515+215+2811515
20K12.43 mi3.11 mi84-315151061616
Half13.11 mi0.68 mi88-4151512144
25K15.53 mi2.42 mi89-116-116-11171111
30K18.64 mi3.11 mi84+514+214+28166
20M20.00 mi1.36 mi83+111+311+311666
21M21.00 mi1.00 mi83111112566
35K21.75 mi0.75 mi82+111118555
23M23.00 mi1.25 mi77+59+29+27844
24M24.00 mi1.00 mi76+18+18+18366
40K24.85 mi0.85 mi73+37+17+15155
25.2M25.20 mi0.35 mi73773944
Finish26.22 mi1.02 mi67+6772722

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.3%
×21story building
+97ft-345ft

Overall

81

Females

15

F18-39

15

5K→10K

3.1 - 6.2 mi

Top 0.2%
×5story building
+79ft-138ft

Overall

66

Females

17

F18-39

17

10K→15K

6.2 - 9.3 mi

Top 0.3%
×3story building
+67ft-78ft

Overall

81

Females

15

F18-39

15

15K→20K

9.3 - 12.4 mi

Top 0.4%
×5story building
+106ft-86ft

Overall

106

Females

16

F18-39

16

20K→Half

12.4 - 13.1 mi

Top 0.4%
×2story building
+19ft-37ft

Overall

121

Females

4

F18-39

4

Half→25K

13.1 - 15.5 mi

Top 0.4%
×4story building
+66ft-88ft

Overall

117

Females

11

F18-39

11

25K→30K

15.5 - 18.6 mi

Top 0.3%
×9story building
+181ft-148ft

Overall

81

Females

6

F18-39

6

30K→20M

18.6 - 20.0 mi

Top 0.4%
×5story building
+64ft-50ft

Overall

116

Females

6

F18-39

6

20M→21M

20.0 - 21.0 mi

Top 0.4%
×8story building
+106ft-24ft

Overall

125

Females

6

F18-39

6

21M→35K

21.0 - 21.8 mi

Top 0.3%
×7story building
+17ft-86ft

Overall

85

Females

5

F18-39

5

35K→23M

21.8 - 23.0 mi

Top 0.3%
×5story building
+23ft-63ft

Overall

78

Females

4

F18-39

4

23M→24M

23.0 - 24.0 mi

Top 0.3%
×6story building
+12ft-82ft

Overall

83

Females

6

F18-39

6

24M→40K

24.0 - 24.9 mi

Top 0.2%
×1story
+6ft-20ft

Overall

51

Females

5

F18-39

5

40K→25.2M

24.9 - 25.2 mi

Top 0.1%
×1story
+13ft-16ft

Overall

39

Females

4

F18-39

4

25.2M→Finish

25.2 - 26.2 mi

Top 0.10%
×2story building
+22ft-21ft

Overall

27

Females

2

F18-39

2

Passing Analysis

Category:
Athletes Passed
103
Passed By
17
Net Change
+86
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#153
5K → 10K692+67#153#86
10K → 15K50+5#86#81
15K → 20K03-3#81#84
20K → Half04-4#84#88
Half → 25K23-1#88#89
25K → 30K50+5#89#84
30K → 20M32+1#84#83
20M → 21M110#83#83
21M → 35K10+1#83#82
35K → 23M50+5#82#77
23M → 24M32+1#77#76
24M → 40K30+3#76#73
40K → 25.2M000#73#73
25.2M → Finish60+6#73#67
TOTALS10317+86

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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