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BOSTON MARATHON 2025

Grace Gibbs

Bib: 11787•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 19%
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
7:07/mi
22:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
44:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:07:17
↑ 67↓ 78
20K· 12.43 mi
7:18/mi
1:29:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:21/mi
1:52:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:16:10
↑ 181↓ 1480.2%
20M
7:31/mi
2:26:23
↑ 64↓ 500.2%
21M
7:57/mi
2:34:20
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:39:47
↑ 17↓ 861.7%
23M
7:29/mi
2:49:09
↑ 23↓ 630.6%
24M
7:12/mi
2:56:21
↓ 821.3%
40K· 24.85 mi
7:19/mi
3:02:36
↓ 200.3%
25.2M
8:04/mi
3:05:23
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:12:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:48
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:37:52
Pace7:28 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1722:087:0722:08
7:07
-
10K
6.21 mi11:11:4444:357:1022:27
7:14
+0:07
15K
9.32 mi11:34:261:07:177:1322:42
7:18
+0:04
20K
12.43 mi11:57:061:29:577:1422:40
7:18
0:00
Half
13.11 mi12:01:571:34:487:144:51
7:07
-0:11
25K
15.53 mi12:19:471:52:387:1517:50
7:21
+0:14
30K
18.64 mi12:43:192:16:107:1823:32
7:34
+0:13
20M
20.00 mi12:53:322:26:237:1910:13
7:31
-0:03
21M
21.00 mi13:01:292:34:207:217:57
7:57
+0:26
35K
21.75 mi13:06:562:39:477:215:27
7:17
-0:40
23M
23.00 mi13:16:182:49:097:219:22
7:29
+0:12
24M
24.00 mi13:23:302:56:217:217:12
7:12
-0:17
40K
24.85 mi13:29:453:02:367:216:15
7:19
+0:07
25.2M
25.20 mi13:32:323:05:237:212:47
8:04
+0:45
Finish
26.22 mi13:39:493:12:407:217:17
7:09
-0:55

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

7:07 /mi

Average Pace

7:21 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:56

94% of race

Time at Steady Pace

10:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:49:1722:087:0722:08
7:07
#8852
10K
6.21 mi11:11:4444:357:1022:27
7:14
#9254
15K
9.32 mi11:34:261:07:177:1322:42
7:18
#9494
20K
12.43 mi11:57:061:29:577:1422:40
7:18
#9326
Half
13.11 mi12:01:571:34:487:144:51
7:07
#9274
25K
15.53 mi12:19:471:52:387:1517:50
7:21
#9138
30K
18.64 mi12:43:192:16:107:1823:32
7:34
#8878
20M
20.00 mi12:53:322:26:237:1910:13
7:31
#8697
21M
21.00 mi13:01:292:34:207:217:57
7:57
#8549
35K
21.75 mi13:06:562:39:477:215:27
7:17
#8446
23M
23.00 mi13:16:182:49:097:219:22
7:29
#8257
24M
24.00 mi13:23:302:56:217:217:12
7:12
#8091
40K
24.85 mi13:29:453:02:367:216:15
7:19
#7951
25.2M
25.20 mi13:32:323:05:237:212:47
8:04
#7892
Finish
26.22 mi13:39:493:12:407:217:17
7:09
#7797
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi88521310131010049(Top 35%)1906(Top 16%)1906(Top 35%)
10K6.21 mi3.10 mi9254-4021476-1661476-1669712(Top 34%)1686(Top 14%)1686(Top 31%)
15K9.32 mi3.11 mi9494-2401595-1191595-11910049(Top 35%)1906(Top 16%)1906(Top 35%)
20K12.43 mi3.11 mi9326+1681559+361559+369032(Top 32%)1539(Top 13%)1539(Top 28%)
Half13.11 mi0.68 mi9274+521541+181541+188411(Top 30%)1249(Top 10%)1249(Top 23%)
25K15.53 mi2.42 mi9138+1361512+291512+298793(Top 31%)1544(Top 13%)1544(Top 28%)
30K18.64 mi3.11 mi8878+2601456+561456+568263(Top 29%)1491(Top 12%)1491(Top 27%)
20M20.00 mi1.36 mi8697+1811418+381418+387154(Top 25%)1201(Top 10%)1201(Top 22%)
21M21.00 mi1.00 mi8549+1481387+311387+317102(Top 25%)1346(Top 11%)1346(Top 25%)
35K21.75 mi0.75 mi8446+1031374+131374+137172(Top 25%)1349(Top 11%)1349(Top 25%)
23M23.00 mi1.25 mi8257+1891333+411333+416542(Top 23%)1207(Top 10%)1207(Top 22%)
24M24.00 mi1.00 mi8091+1661316+171316+175864(Top 21%)1021(Top 8%)1021(Top 19%)
40K24.85 mi0.85 mi7951+1401292+241292+245734(Top 20%)1031(Top 8%)1031(Top 19%)
25.2M25.20 mi0.35 mi7892+591279+131279+136386(Top 22%)1389(Top 11%)1389(Top 25%)
Finish26.22 mi1.02 mi7797+951275+41275+46711(Top 24%)1532(Top 13%)1532(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

10049

Females

1906

F18-39

1906

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9712

Females

1686

F18-39

1686

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

10049

Females

1906

F18-39

1906

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9032

Females

1539

F18-39

1539

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8411

Females

1249

F18-39

1249

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8793

Females

1544

F18-39

1544

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8263

Females

1491

F18-39

1491

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

7154

Females

1201

F18-39

1201

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

7102

Females

1346

F18-39

1346

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

7172

Females

1349

F18-39

1349

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6542

Females

1207

F18-39

1207

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5864

Females

1021

F18-39

1021

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5734

Females

1031

F18-39

1031

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6386

Females

1389

F18-39

1389

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6711

Females

1532

F18-39

1532

Passing Analysis

Category:
Athletes Passed
2286
Passed By
1231
Net Change
+1055
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8852
5K → 10K96498-402#8852#9254
10K → 15K86326-240#9254#9494
15K → 20K25789+168#9494#9326
20K → Half608+52#9326#9274
Half → 25K21579+136#9274#9138
25K → 30K360100+260#9138#8878
30K → 20M19918+181#8878#8697
20M → 21M17527+148#8697#8549
21M → 35K12118+103#8549#8446
35K → 23M20819+189#8446#8257
23M → 24M1737+166#8257#8091
24M → 40K1499+140#8091#7951
40K → 25.2M645+59#7951#7892
25.2M → Finish12328+95#7892#7797
TOTALS22861231+1055
📊

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