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BOSTON MARATHON 2025

Grace Nell

Bib: 11138•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Female)
#0 / 12228
Top 3%
Division (F18-39)
#0 / 5469
Top 5%
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
6:54/mi
21:27
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
42:26
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:03:25
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:24:30
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:29:07
↑ 19↓ 370.5%
25K· 15.53 mi
6:48/mi
1:45:36
↑ 66↓ 880.2%
30K· 18.64 mi
6:55/mi
2:07:04
↑ 181↓ 1480.2%
20M
6:55/mi
2:16:28
↑ 64↓ 500.2%
21M
7:13/mi
2:23:41
↑ 106↓ 241.6%
35K· 21.75 mi
6:41/mi
2:28:41
↑ 17↓ 861.7%
23M
6:52/mi
2:37:17
↑ 23↓ 630.6%
24M
6:42/mi
2:43:59
↓ 821.3%
40K· 24.85 mi
6:51/mi
2:49:50
↓ 200.3%
25.2M
7:18/mi
2:52:21
↑ 13↓ 160.2%
Finish· 26.22 mi
6:33/mi
2:59:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:07
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:54
Pace6:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0021:276:5421:27
6:54
-
10K
6.21 mi11:08:5942:266:5020:59
6:45
-0:09
15K
9.32 mi11:29:581:03:256:4820:59
6:45
0:00
20K
12.43 mi11:51:031:24:306:4821:05
6:47
+0:02
Half
13.11 mi11:55:401:29:076:484:37
6:46
-0:01
25K
15.53 mi12:12:091:45:366:4816:29
6:48
+0:02
30K
18.64 mi12:33:372:07:046:4921:28
6:55
+0:07
20M
20.00 mi12:43:012:16:286:499:24
6:55
0:00
21M
21.00 mi12:50:142:23:416:517:13
7:13
+0:18
35K
21.75 mi12:55:142:28:416:505:00
6:41
-0:32
23M
23.00 mi13:03:502:37:176:508:36
6:52
+0:11
24M
24.00 mi13:10:322:43:596:506:42
6:42
-0:10
40K
24.85 mi13:16:232:49:506:505:51
6:51
+0:09
25.2M
25.20 mi13:18:542:52:216:502:31
7:18
+0:27
Finish
26.22 mi13:25:342:59:016:506:40
6:33
-0:45

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

6:33 /mi

Average Pace

6:50 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:17

95% of race

Time at Steady Pace

9:44

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:48:0021:276:5421:27
6:54
#7117
10K
6.21 mi11:08:5942:266:5020:59
6:45
#6571
15K
9.32 mi11:29:581:03:256:4820:59
6:45
#6254
20K
12.43 mi11:51:031:24:306:4821:05
6:47
#5944
Half
13.11 mi11:55:401:29:076:484:37
6:46
#5937
25K
15.53 mi12:12:091:45:366:4816:29
6:48
#5700
30K
18.64 mi12:33:372:07:046:4921:28
6:55
#5307
20M
20.00 mi12:43:012:16:286:499:24
6:55
#5129
21M
21.00 mi12:50:142:23:416:517:13
7:13
#4959
35K
21.75 mi12:55:142:28:416:505:00
6:41
#4862
23M
23.00 mi13:03:502:37:176:508:36
6:52
#4694
24M
24.00 mi13:10:322:43:596:506:42
6:42
#4565
40K
24.85 mi13:16:232:49:506:505:51
6:51
#4489
25.2M
25.20 mi13:18:542:52:216:502:31
7:18
#4432
Finish
26.22 mi13:25:342:59:016:506:40
6:33
#4355
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi71177077075649(Top 20%)471(Top 4%)471(Top 9%)
10K6.21 mi3.10 mi6571+546588+119588+1195911(Top 21%)491(Top 4%)491(Top 9%)
15K9.32 mi3.11 mi6254+317526+62526+625649(Top 20%)471(Top 4%)471(Top 9%)
20K12.43 mi3.11 mi5944+310493+33493+335183(Top 18%)396(Top 3%)396(Top 7%)
Half13.11 mi0.68 mi5937+7490+3490+35907(Top 21%)505(Top 4%)505(Top 9%)
25K15.53 mi2.42 mi5700+237464+26464+264885(Top 17%)382(Top 3%)382(Top 7%)
30K18.64 mi3.11 mi5307+393420+44420+444150(Top 15%)324(Top 3%)324(Top 6%)
20M20.00 mi1.36 mi5129+178403+17403+173645(Top 13%)280(Top 2%)280(Top 5%)
21M21.00 mi1.00 mi4959+170379+24379+243237(Top 11%)247(Top 2%)247(Top 5%)
35K21.75 mi0.75 mi4862+97368+11368+113461(Top 12%)298(Top 2%)298(Top 5%)
23M23.00 mi1.25 mi4694+168361+7361+73085(Top 11%)258(Top 2%)258(Top 5%)
24M24.00 mi1.00 mi4565+129350+11350+113021(Top 11%)274(Top 2%)274(Top 5%)
40K24.85 mi0.85 mi4489+76347+3347+33097(Top 11%)304(Top 2%)304(Top 6%)
25.2M25.20 mi0.35 mi4432+57346+1346+12613(Top 9%)275(Top 2%)275(Top 5%)
Finish26.22 mi1.02 mi4355+77337+9337+93047(Top 11%)325(Top 3%)325(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5649

Females

471

F18-39

471

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5911

Females

491

F18-39

491

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5649

Females

471

F18-39

471

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5183

Females

396

F18-39

396

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5907

Females

505

F18-39

505

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4885

Females

382

F18-39

382

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4150

Females

324

F18-39

324

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3645

Females

280

F18-39

280

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3237

Females

247

F18-39

247

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3461

Females

298

F18-39

298

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3085

Females

258

F18-39

258

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

3021

Females

274

F18-39

274

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3097

Females

304

F18-39

304

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2613

Females

275

F18-39

275

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3047

Females

325

F18-39

325

Passing Analysis

Category:
Athletes Passed
2967
Passed By
205
Net Change
+2762
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7117
5K → 10K57428+546#7117#6571
10K → 15K35235+317#6571#6254
15K → 20K32818+310#6254#5944
20K → Half2619+7#5944#5937
Half → 25K25215+237#5937#5700
25K → 30K41320+393#5700#5307
30K → 20M1802+178#5307#5129
20M → 21M18414+170#5129#4959
21M → 35K10710+97#4959#4862
35K → 23M1779+168#4862#4694
23M → 24M1356+129#4694#4565
24M → 40K8812+76#4565#4489
40K → 25.2M625+57#4489#4432
25.2M → Finish8912+77#4432#4355
TOTALS2967205+2762
📊

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