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BOSTON MARATHON 2025

Jennifer Markey

Bib: 14762•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:09/mi
22:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:06/mi
44:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:09/mi
1:06:27
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:28:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:33:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:51:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:14:26
↑ 181↓ 1480.2%
20M
7:39/mi
2:24:50
↑ 64↓ 500.2%
21M
8:09/mi
2:32:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:38:41
↑ 17↓ 861.7%
23M
7:30/mi
2:48:04
↑ 23↓ 630.6%
24M
7:23/mi
2:55:27
↓ 821.3%
40K· 24.85 mi
7:31/mi
3:01:53
↓ 200.3%
25.2M
8:33/mi
3:04:50
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:12:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:35
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3022:137:0922:13
7:09
-
10K
6.21 mi11:15:3244:157:0722:02
7:06
-0:03
15K
9.32 mi11:37:441:06:277:0822:12
7:09
+0:03
20K
12.43 mi12:00:031:28:467:0922:19
7:11
+0:02
Half
13.11 mi12:04:521:33:357:084:49
7:04
-0:07
25K
15.53 mi12:22:241:51:077:0917:32
7:14
+0:10
30K
18.64 mi12:45:432:14:267:1323:19
7:30
+0:16
20M
20.00 mi12:56:072:24:507:1410:24
7:39
+0:09
21M
21.00 mi13:04:162:32:597:178:09
8:09
+0:30
35K
21.75 mi13:09:582:38:417:185:42
7:37
-0:32
23M
23.00 mi13:19:212:48:047:189:23
7:30
-0:07
24M
24.00 mi13:26:442:55:277:197:23
7:23
-0:07
40K
24.85 mi13:33:103:01:537:196:26
7:31
+0:08
25.2M
25.20 mi13:36:073:04:507:202:57
8:33
+1:02
Finish
26.22 mi13:43:423:12:257:217:35
7:26
-1:07

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

7:04 /mi

Average Pace

7:21 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:07

58% of race

Time at Steady Pace

59:48

31% of race

Time at Slower Pace

21:30

11% of race

Average Pace: 7:20 /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 mi10:53:3022:137:0922:13
7:09
#9085
10K
6.21 mi11:15:3244:157:0722:02
7:06
#8805
15K
9.32 mi11:37:441:06:277:0822:12
7:09
#8739
20K
12.43 mi12:00:031:28:467:0922:19
7:11
#8490
Half
13.11 mi12:04:521:33:357:084:49
7:04
#8444
25K
15.53 mi12:22:241:51:077:0917:32
7:14
#8320
30K
18.64 mi12:45:432:14:267:1323:19
7:30
#8124
20M
20.00 mi12:56:072:24:507:1410:24
7:39
#8063
21M
21.00 mi13:04:162:32:597:178:09
8:09
#8008
35K
21.75 mi13:09:582:38:417:185:42
7:37
#8038
23M
23.00 mi13:19:212:48:047:189:23
7:30
#7860
24M
24.00 mi13:26:442:55:277:197:23
7:23
#7799
40K
24.85 mi13:33:103:01:537:196:26
7:31
#7728
25.2M
25.20 mi13:36:073:04:507:202:57
8:33
#7723
Finish
26.22 mi13:43:423:12:257:217:35
7:26
#7721
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9085140314038683(Top 31%)1300(Top 11%)1300(Top 24%)
10K6.21 mi3.10 mi8805+2801302+1011302+1018629(Top 30%)1231(Top 10%)1231(Top 23%)
15K9.32 mi3.11 mi8739+661288+141288+148683(Top 31%)1300(Top 11%)1300(Top 24%)
20K12.43 mi3.11 mi8490+2491217+711217+718069(Top 28%)1135(Top 9%)1135(Top 21%)
Half13.11 mi0.68 mi8444+461201+161201+168070(Top 28%)1114(Top 9%)1114(Top 20%)
25K15.53 mi2.42 mi8320+1241175+261175+267849(Top 28%)1158(Top 9%)1158(Top 21%)
30K18.64 mi3.11 mi8124+1961160+151160+157786(Top 27%)1303(Top 11%)1303(Top 24%)
20M20.00 mi1.36 mi8063+611168-81168-88065(Top 28%)1559(Top 13%)1559(Top 29%)
21M21.00 mi1.00 mi8008+551183-151183-158275(Top 29%)1834(Top 15%)1834(Top 34%)
35K21.75 mi0.75 mi8038-301209-261209-269483(Top 33%)2338(Top 19%)2338(Top 43%)
23M23.00 mi1.25 mi7860+1781191+181191+186609(Top 23%)1230(Top 10%)1230(Top 22%)
24M24.00 mi1.00 mi7799+611202-111202-116968(Top 25%)1438(Top 12%)1438(Top 26%)
40K24.85 mi0.85 mi7728+711214-121214-126960(Top 25%)1531(Top 13%)1531(Top 28%)
25.2M25.20 mi0.35 mi7723+51224-101224-109125(Top 32%)2562(Top 21%)2562(Top 47%)
Finish26.22 mi1.02 mi7721+21245-211245-218786(Top 31%)2424(Top 20%)2424(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8683

Females

1300

F18-39

1300

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8629

Females

1231

F18-39

1231

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8683

Females

1300

F18-39

1300

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8069

Females

1135

F18-39

1135

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

8070

Females

1114

F18-39

1114

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7849

Females

1158

F18-39

1158

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7786

Females

1303

F18-39

1303

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

8065

Females

1559

F18-39

1559

20M→21M

20.0 - 21.0 mi

Top 29%
×8story building
+106ft-24ft

Overall

8275

Females

1834

F18-39

1834

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9483

Females

2338

F18-39

2338

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6609

Females

1230

F18-39

1230

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6968

Females

1438

F18-39

1438

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6960

Females

1531

F18-39

1531

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9125

Females

2562

F18-39

2562

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8786

Females

2424

F18-39

2424

Passing Analysis

Category:
Athletes Passed
2201
Passed By
837
Net Change
+1364
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9085
5K → 10K37696+280#9085#8805
10K → 15K191125+66#8805#8739
15K → 20K30657+249#8739#8490
20K → Half5812+46#8490#8444
Half → 25K18157+124#8444#8320
25K → 30K28791+196#8320#8124
30K → 20M12968+61#8124#8063
20M → 21M12671+55#8063#8008
21M → 35K5080-30#8008#8038
35K → 23M19719+178#8038#7860
23M → 24M9736+61#7860#7799
24M → 40K10433+71#7799#7728
40K → 25.2M3530+5#7728#7723
25.2M → Finish6462+2#7723#7721
TOTALS2201837+1364
📊

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