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BOSTON MARATHON 2025

Jessica Hem

Bib: 11988•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
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
7:04/mi
21:56
↑ 97↓ 3451.5%
10K· 6.21 mi
6:55/mi
43:24
↑ 79↓ 1380.4%
15K· 9.32 mi
6:48/mi
1:04:31
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:25:56
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:30:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:03/mi
1:47:43
↑ 66↓ 880.2%
30K· 18.64 mi
7:24/mi
2:10:43
↑ 181↓ 1480.2%
20M
7:23/mi
2:20:45
↑ 64↓ 500.2%
21M
7:59/mi
2:28:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:34:06
↑ 17↓ 861.7%
23M
7:22/mi
2:43:19
↑ 23↓ 630.6%
24M
7:15/mi
2:50:34
↓ 821.3%
40K· 24.85 mi
7:13/mi
2:56:44
↓ 200.3%
25.2M
7:32/mi
2:59:20
↑ 13↓ 160.2%
Finish· 26.22 mi
6:24/mi
3:05:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:38
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:35:13
Pace7:16 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5221:567:0421:56
7:04
-
10K
6.21 mi11:11:2043:246:5921:28
6:55
-0:09
15K
9.32 mi11:32:271:04:316:5521:07
6:48
-0:07
20K
12.43 mi11:53:521:25:566:5521:25
6:54
+0:06
Half
13.11 mi11:58:341:30:386:554:42
6:53
-0:01
25K
15.53 mi12:15:391:47:436:5617:05
7:03
+0:10
30K
18.64 mi12:38:392:10:437:0123:00
7:24
+0:21
20M
20.00 mi12:48:412:20:457:0210:02
7:23
-0:01
21M
21.00 mi12:56:402:28:447:057:59
7:59
+0:36
35K
21.75 mi13:02:022:34:067:055:22
7:10
-0:49
23M
23.00 mi13:11:152:43:197:069:13
7:22
+0:12
24M
24.00 mi13:18:302:50:347:067:15
7:15
-0:07
40K
24.85 mi13:24:402:56:447:076:10
7:13
-0:02
25.2M
25.20 mi13:27:162:59:207:072:36
7:32
+0:19
Finish
26.22 mi13:33:473:05:517:066:31
6:24
-1:08

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

6:24 /mi

Average Pace

7:06 /mi

Slowest Pace

7:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:13

40% of race

Time at Steady Pace

57:48

31% of race

Time at Slower Pace

52:50

28% of race

Average Pace: 7:05 /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 mi10:49:5221:567:0421:56
7:04
#8311
10K
6.21 mi11:11:2043:246:5921:28
6:55
#7750
15K
9.32 mi11:32:271:04:316:5521:07
6:48
#7249
20K
12.43 mi11:53:521:25:566:5521:25
6:54
#6941
Half
13.11 mi11:58:341:30:386:554:42
6:53
#6932
25K
15.53 mi12:15:391:47:436:5617:05
7:03
#6825
30K
18.64 mi12:38:392:10:437:0123:00
7:24
#6752
20M
20.00 mi12:48:412:20:457:0210:02
7:23
#6632
21M
21.00 mi12:56:402:28:447:057:59
7:59
#6596
35K
21.75 mi13:02:022:34:067:055:22
7:10
#6538
23M
23.00 mi13:11:152:43:197:069:13
7:22
#6420
24M
24.00 mi13:18:302:50:347:067:15
7:15
#6347
40K
24.85 mi13:24:402:56:447:076:10
7:13
#6258
25.2M
25.20 mi13:27:162:59:207:072:36
7:32
#6187
Finish
26.22 mi13:33:473:05:517:066:31
6:24
#5942
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8311109710976076(Top 21%)543(Top 4%)543(Top 10%)
10K6.21 mi3.10 mi7750+561907+190907+1907313(Top 26%)778(Top 6%)778(Top 14%)
15K9.32 mi3.11 mi7249+501765+142765+1426076(Top 21%)543(Top 4%)543(Top 10%)
20K12.43 mi3.11 mi6941+308694+71694+716155(Top 22%)589(Top 5%)589(Top 11%)
Half13.11 mi0.68 mi6932+9693+1693+16876(Top 24%)734(Top 6%)734(Top 13%)
25K15.53 mi2.42 mi6825+107696-3696-36627(Top 23%)755(Top 6%)755(Top 14%)
30K18.64 mi3.11 mi6752+73714-18714-187074(Top 25%)1031(Top 8%)1031(Top 19%)
20M20.00 mi1.36 mi6632+120707+7707+76307(Top 22%)886(Top 7%)886(Top 16%)
21M21.00 mi1.00 mi6596+36724-17724-177270(Top 26%)1410(Top 12%)1410(Top 26%)
35K21.75 mi0.75 mi6538+587247246463(Top 23%)1079(Top 9%)1079(Top 20%)
23M23.00 mi1.25 mi6420+118715+9715+95827(Top 21%)941(Top 8%)941(Top 17%)
24M24.00 mi1.00 mi6347+737157156135(Top 22%)1111(Top 9%)1111(Top 20%)
40K24.85 mi0.85 mi6258+89709+6709+65142(Top 18%)825(Top 7%)825(Top 15%)
25.2M25.20 mi0.35 mi6187+71700+9700+93676(Top 13%)478(Top 4%)478(Top 9%)
Finish26.22 mi1.02 mi5942+245652+48652+482329(Top 8%)199(Top 2%)199(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

6076

Females

543

F18-39

543

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7313

Females

778

F18-39

778

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

6076

Females

543

F18-39

543

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

6155

Females

589

F18-39

589

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6876

Females

734

F18-39

734

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6627

Females

755

F18-39

755

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7074

Females

1031

F18-39

1031

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6307

Females

886

F18-39

886

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7270

Females

1410

F18-39

1410

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6463

Females

1079

F18-39

1079

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5827

Females

941

F18-39

941

23M→24M

23.0 - 24.0 mi

Top 22%
×6story building
+12ft-82ft

Overall

6135

Females

1111

F18-39

1111

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5142

Females

825

F18-39

825

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3676

Females

478

F18-39

478

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2329

Females

199

F18-39

199

Passing Analysis

Category:
Athletes Passed
2837
Passed By
468
Net Change
+2369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8311
5K → 10K60342+561#8311#7750
10K → 15K51211+501#7750#7249
15K → 20K33426+308#7249#6941
20K → Half2920+9#6941#6932
Half → 25K17164+107#6932#6825
25K → 30K210137+73#6825#6752
30K → 20M14828+120#6752#6632
20M → 21M9054+36#6632#6596
21M → 35K7820+58#6596#6538
35K → 23M14527+118#6538#6420
23M → 24M9623+73#6420#6347
24M → 40K10415+89#6347#6258
40K → 25.2M721+71#6258#6187
25.2M → Finish2450+245#6187#5942
TOTALS2837468+2369
📊

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