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BOSTON MARATHON 2025

Grace Kilgore

Bib: 13928•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 14%
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
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
46:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:14/mi
1:08:57
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:31:38
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:36:29
↑ 19↓ 370.5%
25K· 15.53 mi
6:58/mi
1:53:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:13/mi
2:15:46
↑ 181↓ 1480.2%
20M
7:17/mi
2:25:40
↑ 64↓ 500.2%
21M
7:25/mi
2:33:05
↑ 106↓ 241.6%
35K· 21.75 mi
6:54/mi
2:38:15
↑ 17↓ 861.7%
23M
7:04/mi
2:47:06
↑ 23↓ 630.6%
24M
6:53/mi
2:53:59
↓ 821.3%
40K· 24.85 mi
6:49/mi
2:59:49
↓ 200.3%
25.2M
7:00/mi
3:02:14
↑ 13↓ 160.2%
Finish· 26.22 mi
6:20/mi
3:08:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:29
Pace7:22 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:32:12
Pace7:02 /mi
📊Negative Split: 4.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0723:227:3123:22
7:31
-
10K
6.21 mi11:15:1346:287:2923:06
7:26
-0:05
15K
9.32 mi11:37:421:08:577:2422:29
7:14
-0:12
20K
12.43 mi12:00:231:31:387:2222:41
7:18
+0:04
Half
13.11 mi12:05:141:36:297:224:51
7:07
-0:11
25K
15.53 mi12:22:071:53:227:1816:53
6:58
-0:09
30K
18.64 mi12:44:312:15:467:1722:24
7:13
+0:15
20M
20.00 mi12:54:252:25:407:179:54
7:17
+0:04
21M
21.00 mi13:01:502:33:057:177:25
7:25
+0:08
35K
21.75 mi13:07:002:38:157:175:10
6:54
-0:31
23M
23.00 mi13:15:512:47:067:168:51
7:04
+0:10
24M
24.00 mi13:22:442:53:597:156:53
6:53
-0:11
40K
24.85 mi13:28:342:59:497:145:50
6:49
-0:04
25.2M
25.20 mi13:30:593:02:147:142:25
7:00
+0:11
Finish
26.22 mi13:37:263:08:417:126:27
6:20
-0:40

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

6:20 /mi

Average Pace

7:12 /mi

Slowest Pace

7:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:20

13% of race

Time at Steady Pace

2:20:59

75% of race

Time at Slower Pace

23:22

12% of race

Average Pace: 7:12 /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 mi10:52:0723:227:3123:22
7:31
#12425
10K
6.21 mi11:15:1346:287:2923:06
7:26
#11942
15K
9.32 mi11:37:421:08:577:2422:29
7:14
#11039
20K
12.43 mi12:00:231:31:387:2222:41
7:18
#10526
Half
13.11 mi12:05:141:36:297:224:51
7:07
#10389
25K
15.53 mi12:22:071:53:227:1816:53
6:58
#9554
30K
18.64 mi12:44:312:15:467:1722:24
7:13
#8690
20M
20.00 mi12:54:252:25:407:179:54
7:17
#8406
21M
21.00 mi13:01:502:33:057:177:25
7:25
#8046
35K
21.75 mi13:07:002:38:157:175:10
6:54
#7870
23M
23.00 mi13:15:512:47:067:168:51
7:04
#7569
24M
24.00 mi13:22:442:53:597:156:53
6:53
#7345
40K
24.85 mi13:28:342:59:497:145:50
6:49
#7127
25.2M
25.20 mi13:30:593:02:147:142:25
7:00
#6984
Finish
26.22 mi13:37:263:08:417:126:27
6:20
#6685
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12425302230229439(Top 33%)1619(Top 13%)1619(Top 30%)
10K6.21 mi3.10 mi11942+4832774+2482774+24811509(Top 41%)2564(Top 21%)2564(Top 47%)
15K9.32 mi3.11 mi11039+9032339+4352339+4359439(Top 33%)1619(Top 13%)1619(Top 30%)
20K12.43 mi3.11 mi10526+5132111+2282111+2289062(Top 32%)1549(Top 13%)1549(Top 28%)
Half13.11 mi0.68 mi10389+1372055+562055+568374(Top 29%)1212(Top 10%)1212(Top 22%)
25K15.53 mi2.42 mi9554+8351703+3521703+3526087(Top 21%)610(Top 5%)610(Top 11%)
30K18.64 mi3.11 mi8690+8641368+3351368+3355977(Top 21%)671(Top 5%)671(Top 12%)
20M20.00 mi1.36 mi8406+2841294+741294+745726(Top 20%)719(Top 6%)719(Top 13%)
21M21.00 mi1.00 mi8046+3601197+971197+974237(Top 15%)425(Top 3%)425(Top 8%)
35K21.75 mi0.75 mi7870+1761148+491148+494828(Top 17%)566(Top 5%)566(Top 10%)
23M23.00 mi1.25 mi7569+3011084+641084+644199(Top 15%)456(Top 4%)456(Top 8%)
24M24.00 mi1.00 mi7345+2241038+461038+464033(Top 14%)469(Top 4%)469(Top 9%)
40K24.85 mi0.85 mi7127+218988+50988+502997(Top 11%)291(Top 2%)291(Top 5%)
25.2M25.20 mi0.35 mi6984+143946+42946+421567(Top 6%)133(Top 1%)133(Top 2%)
Finish26.22 mi1.02 mi6685+299886+60886+602042(Top 7%)165(Top 1%)165(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9439

Females

1619

F18-39

1619

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11509

Females

2564

F18-39

2564

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9439

Females

1619

F18-39

1619

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9062

Females

1549

F18-39

1549

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8374

Females

1212

F18-39

1212

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

6087

Females

610

F18-39

610

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5977

Females

671

F18-39

671

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5726

Females

719

F18-39

719

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4237

Females

425

F18-39

425

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4828

Females

566

F18-39

566

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4199

Females

456

F18-39

456

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

4033

Females

469

F18-39

469

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2997

Females

291

F18-39

291

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1567

Females

133

F18-39

133

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

2042

Females

165

F18-39

165

Passing Analysis

Category:
Athletes Passed
5856*
Passed By
116
Net Change
+5740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12425
5K → 10K58198+483#12425#11942
10K → 15K9074+903#11942#11039
15K → 20K5207+513#11039#10526
20K → Half1392+137#10526#10389
Half → 25K835*0+835#10389#9554
25K → 30K8662+864#9554#8690
30K → 20M2851+284#8690#8406
20M → 21M3600+360#8406#8046
21M → 35K1771+176#8046#7870
35K → 23M3010+301#7870#7569
23M → 24M2251+224#7569#7345
24M → 40K2180+218#7345#7127
40K → 25.2M1430+143#7127#6984
25.2M → Finish2990+299#6984#6685
TOTALS5856*116+5740

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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