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BOSTON MARATHON 2025

Grace Kaegi

Bib: 31694•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
8:59/mi
27:55
↑ 97↓ 3451.5%
10K· 6.21 mi
8:55/mi
55:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:23:11
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:50:34
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:56:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:17:31
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:45:32
↑ 181↓ 1480.2%
20M
9:19/mi
2:58:11
↑ 64↓ 500.2%
21M
9:53/mi
3:08:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
3:14:45
↑ 17↓ 861.7%
23M
9:07/mi
3:26:10
↑ 23↓ 630.6%
24M
9:08/mi
3:35:18
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:43:01
↓ 200.3%
25.2M
9:31/mi
3:46:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:33/mi
3:55:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:23
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time1:58:38
Pace9:03 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3827:558:5927:55
8:59
-
10K
6.21 mi12:20:1955:368:5727:41
8:55
-0:04
15K
9.32 mi12:47:541:23:118:5527:35
8:53
-0:02
20K
12.43 mi13:15:171:50:348:5427:23
8:49
-0:04
Half
13.11 mi13:21:061:56:238:535:49
8:32
-0:17
25K
15.53 mi13:42:142:17:318:5121:08
8:43
+0:11
30K
18.64 mi14:10:152:45:328:5328:01
9:01
+0:18
20M
20.00 mi14:22:542:58:118:5512:39
9:19
+0:18
21M
21.00 mi14:32:473:08:048:579:53
9:53
+0:34
35K
21.75 mi14:39:283:14:458:576:41
8:56
-0:57
23M
23.00 mi14:50:533:26:108:5811:25
9:07
+0:11
24M
24.00 mi15:00:013:35:188:589:08
9:08
+0:01
40K
24.85 mi15:07:443:43:018:587:43
9:02
-0:06
25.2M
25.20 mi15:11:013:46:188:593:17
9:31
+0:29
Finish
26.22 mi15:19:443:55:018:588:43
8:33
-0:58

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

8:32 /mi

Average Pace

8:58 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:51

94% of race

Time at Steady Pace

13:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:58 /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 mi11:52:3827:558:5927:55
8:59
#22357
10K
6.21 mi12:20:1955:368:5727:41
8:55
#22192
15K
9.32 mi12:47:541:23:118:5527:35
8:53
#21936
20K
12.43 mi13:15:171:50:348:5427:23
8:49
#21435
Half
13.11 mi13:21:061:56:238:535:49
8:32
#21317
25K
15.53 mi13:42:142:17:318:5121:08
8:43
#20879
30K
18.64 mi14:10:152:45:328:5328:01
9:01
#20286
20M
20.00 mi14:22:542:58:118:5512:39
9:19
#20127
21M
21.00 mi14:32:473:08:048:579:53
9:53
#19971
35K
21.75 mi14:39:283:14:458:576:41
8:56
#19902
23M
23.00 mi14:50:533:26:108:5811:25
9:07
#19716
24M
24.00 mi15:00:013:35:188:589:08
9:08
#19649
40K
24.85 mi15:07:443:43:018:587:43
9:02
#19526
25.2M
25.20 mi15:11:013:46:188:593:17
9:31
#19453
Finish
26.22 mi15:19:443:55:018:588:43
8:33
#19339
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223578829882921454(Top 76%)8249(Top 67%)8249(Top 151%)
10K6.21 mi3.10 mi22192+1658720+1098720+10921981(Top 77%)8584(Top 70%)8584(Top 157%)
15K9.32 mi3.11 mi21936+2568563+1578563+15721454(Top 76%)8249(Top 67%)8249(Top 151%)
20K12.43 mi3.11 mi21435+5018280+2838280+28320017(Top 70%)7491(Top 61%)7491(Top 137%)
Half13.11 mi0.68 mi21317+1188212+688212+6819430(Top 68%)7151(Top 58%)7151(Top 131%)
25K15.53 mi2.42 mi20879+4387972+2407972+24018515(Top 65%)6716(Top 55%)6716(Top 123%)
30K18.64 mi3.11 mi20286+5937691+2817691+28117792(Top 63%)6471(Top 53%)6471(Top 118%)
20M20.00 mi1.36 mi20127+1597626+657626+6518352(Top 65%)6925(Top 57%)6925(Top 127%)
21M21.00 mi1.00 mi19971+1567554+727554+7217862(Top 63%)6722(Top 55%)6722(Top 123%)
35K21.75 mi0.75 mi19902+697528+267528+2617958(Top 63%)6884(Top 56%)6884(Top 126%)
23M23.00 mi1.25 mi19716+1867461+677461+6716955(Top 60%)6430(Top 53%)6430(Top 118%)
24M24.00 mi1.00 mi19649+677452+97452+918059(Top 64%)7069(Top 58%)7069(Top 129%)
40K24.85 mi0.85 mi19526+1237391+617391+6116499(Top 58%)6322(Top 52%)6322(Top 116%)
25.2M25.20 mi0.35 mi19453+737359+327359+3214804(Top 52%)5474(Top 45%)5474(Top 100%)
Finish26.22 mi1.02 mi19339+1147320+397320+3916612(Top 58%)6370(Top 52%)6370(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21454

Females

8249

F18-39

8249

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21981

Females

8584

F18-39

8584

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21454

Females

8249

F18-39

8249

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

20017

Females

7491

F18-39

7491

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19430

Females

7151

F18-39

7151

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18515

Females

6716

F18-39

6716

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17792

Females

6471

F18-39

6471

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18352

Females

6925

F18-39

6925

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17862

Females

6722

F18-39

6722

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

17958

Females

6884

F18-39

6884

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16955

Females

6430

F18-39

6430

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18059

Females

7069

F18-39

7069

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16499

Females

6322

F18-39

6322

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14804

Females

5474

F18-39

5474

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16612

Females

6370

F18-39

6370

Passing Analysis

Category:
Athletes Passed
3438
Passed By
420
Net Change
+3018
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22357
5K → 10K344179+165#22357#22192
10K → 15K33478+256#22192#21936
15K → 20K51918+501#21936#21435
20K → Half1246+118#21435#21317
Half → 25K4391+438#21317#20879
25K → 30K6007+593#20879#20286
30K → 20M18526+159#20286#20127
20M → 21M17418+156#20127#19971
21M → 35K8718+69#19971#19902
35K → 23M20014+186#19902#19716
23M → 24M9730+67#19716#19649
24M → 40K1307+123#19649#19526
40K → 25.2M730+73#19526#19453
25.2M → Finish13218+114#19453#19339
TOTALS3438420+3018
📊

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