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BOSTON MARATHON 2025

Grace He

Bib: 20553•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F45-49)
#0 / 1813
Top 41%
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
8:24/mi
26:07
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
51:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:17:29
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:43:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:48:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:09:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:50/mi
2:36:29
↑ 181↓ 1480.2%
20M
8:54/mi
2:48:35
↑ 64↓ 500.2%
21M
9:38/mi
2:58:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
3:04:09
↑ 17↓ 861.7%
23M
8:27/mi
3:14:44
↑ 23↓ 630.6%
24M
8:17/mi
3:23:01
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:30:04
↓ 200.3%
25.2M
9:40/mi
3:33:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:41:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:53:03
Pace8:37 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4026:078:2426:07
8:24
-
10K
6.21 mi11:46:2951:568:2125:49
8:19
-0:05
15K
9.32 mi12:12:021:17:298:1925:33
8:13
-0:06
20K
12.43 mi12:37:521:43:198:1925:50
8:19
+0:06
Half
13.11 mi12:43:261:48:538:185:34
8:10
-0:09
25K
15.53 mi13:03:352:09:028:1820:09
8:19
+0:09
30K
18.64 mi13:31:022:36:298:2427:27
8:50
+0:31
20M
20.00 mi13:43:082:48:358:2612:06
8:54
+0:04
21M
21.00 mi13:52:462:58:138:299:38
9:38
+0:44
35K
21.75 mi13:58:423:04:098:285:56
7:56
-1:42
23M
23.00 mi14:09:173:14:448:2810:35
8:27
+0:31
24M
24.00 mi14:17:343:23:018:288:17
8:17
-0:10
40K
24.85 mi14:24:373:30:048:277:03
8:15
-0:02
25.2M
25.20 mi14:27:573:33:248:283:20
9:40
+1:25
Finish
26.22 mi14:36:293:41:568:288:32
8:22
-1:18

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

7:56 /mi

Average Pace

8:28 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:56

3% of race

Time at Steady Pace

2:43:29

74% of race

Time at Slower Pace

52:31

24% of race

Average Pace: 8:28 /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 mi11:20:4026:078:2426:07
8:24
#19347
10K
6.21 mi11:46:2951:568:2125:49
8:19
#18984
15K
9.32 mi12:12:021:17:298:1925:33
8:13
#18481
20K
12.43 mi12:37:521:43:198:1925:50
8:19
#18082
Half
13.11 mi12:43:261:48:538:185:34
8:10
#18012
25K
15.53 mi13:03:352:09:028:1820:09
8:19
#17620
30K
18.64 mi13:31:022:36:298:2427:27
8:50
#17435
20M
20.00 mi13:43:082:48:358:2612:06
8:54
#17325
21M
21.00 mi13:52:462:58:138:299:38
9:38
#17273
35K
21.75 mi13:58:423:04:098:285:56
7:56
#17054
23M
23.00 mi14:09:173:14:448:2810:35
8:27
#16795
24M
24.00 mi14:17:343:23:018:288:17
8:17
#16618
40K
24.85 mi14:24:373:30:048:277:03
8:15
#16408
25.2M
25.20 mi14:27:573:33:248:283:20
9:40
#16398
Finish
26.22 mi14:36:293:41:568:288:32
8:22
#16342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi193477107710717555(Top 62%)6047(Top 49%)6047(Top 334%)
10K6.21 mi3.10 mi18984+3636892+2156892+21518617(Top 66%)6660(Top 54%)6660(Top 367%)
15K9.32 mi3.11 mi18481+5036613+2796613+27917555(Top 62%)6047(Top 49%)6047(Top 334%)
20K12.43 mi3.11 mi18082+3996384+2296384+22917017(Top 60%)5784(Top 47%)5784(Top 319%)
Half13.11 mi0.68 mi18012+706343+416343+4117056(Top 60%)5794(Top 47%)5794(Top 320%)
25K15.53 mi2.42 mi17620+3926128+2156128+21516004(Top 56%)5318(Top 43%)5318(Top 293%)
30K18.64 mi3.11 mi17435+1856076+526076+5216814(Top 59%)5931(Top 49%)5931(Top 327%)
20M20.00 mi1.36 mi17325+1106039+376039+3716279(Top 57%)5761(Top 47%)5761(Top 318%)
21M21.00 mi1.00 mi17273+526035+46035+416714(Top 59%)6096(Top 50%)6096(Top 336%)
35K21.75 mi0.75 mi17054+2195935+1005935+10011846(Top 42%)3585(Top 29%)3585(Top 198%)
23M23.00 mi1.25 mi16795+2595808+1275808+12713055(Top 46%)4312(Top 35%)4312(Top 238%)
24M24.00 mi1.00 mi16618+1775724+845724+8413185(Top 46%)4424(Top 36%)4424(Top 244%)
40K24.85 mi0.85 mi16408+2105638+865638+8611894(Top 42%)3881(Top 32%)3881(Top 214%)
25.2M25.20 mi0.35 mi16398+105641-35641-315501(Top 55%)5825(Top 48%)5825(Top 321%)
Finish26.22 mi1.02 mi16342+565631+105631+1015417(Top 54%)5706(Top 47%)5706(Top 315%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17555

Females

6047

F45-49

6047

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18617

Females

6660

F45-49

6660

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17555

Females

6047

F45-49

6047

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17017

Females

5784

F45-49

5784

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17056

Females

5794

F45-49

5794

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

16004

Females

5318

F45-49

5318

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16814

Females

5931

F45-49

5931

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16279

Females

5761

F45-49

5761

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16714

Females

6096

F45-49

6096

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11846

Females

3585

F45-49

3585

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

13055

Females

4312

F45-49

4312

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13185

Females

4424

F45-49

4424

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11894

Females

3881

F45-49

3881

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15501

Females

5825

F45-49

5825

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15417

Females

5706

F45-49

5706

Passing Analysis

Category:
Athletes Passed
3557
Passed By
552
Net Change
+3005
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19347
5K → 10K489126+363#19347#18984
10K → 15K53734+503#18984#18481
15K → 20K43334+399#18481#18082
20K → Half799+70#18082#18012
Half → 25K40715+392#18012#17620
25K → 30K301116+185#17620#17435
30K → 20M16353+110#17435#17325
20M → 21M12775+52#17325#17273
21M → 35K2201+219#17273#17054
35K → 23M2678+259#17054#16795
23M → 24M1836+177#16795#16618
24M → 40K2144+210#16618#16408
40K → 25.2M3727+10#16408#16398
25.2M → Finish10044+56#16398#16342
TOTALS3557552+3005
📊

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