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BOSTON MARATHON 2025

Isabelle Fitzgibbon

Bib: 26969•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

Start
0:00:00
Race begins
5K· 3.11 mi
32:41
Rank: #26805
Start → 5K
32:41 | 10:31/mi
10K· 6.21 mi
1:06:16
Rank: #26791 (+14)
5K → 10K
33:35 | 10:49/mi
15K· 9.32 mi
1:41:32
Rank: #26935 (-144)
10K → 15K
35:16 | 11:21/mi
20K· 12.43 mi
2:19:47
Rank: #27096 (-161)
15K → 20K
38:15 | 12:19/mi
Half· 13.11 mi
2:28:02
Rank: #27128 (-32)
20K → Half
8:15 | 12:06/mi
25K· 15.53 mi
3:00:59
Rank: #27258 (-130)
Half → 25K
32:57 | 13:35/mi
30K· 18.64 mi
3:43:36
Rank: #27279 (-21)
25K → 30K
42:37 | 13:43/mi
20M
4:01:50
Rank: #27282 (-3)
30K → 20M
18:14 | 13:25/mi
21M
4:16:45
Rank: #27286 (-4)
20M → 21M
14:55 | 14:55/mi
35K· 21.75 mi
4:26:33
Rank: #27285 (+1)
21M → 35K
9:48 | 13:06/mi
23M
4:44:04
Rank: #27303 (-18)
35K → 23M
17:31 | 13:59/mi
24M
4:58:17
Rank: #27343 (-40)
23M → 24M
14:13 | 14:13/mi
40K· 24.85 mi
5:11:18
Rank: #27375 (-32)
24M → 40K
13:01 | 15:13/mi
25.2M
5:17:04
Rank: #27404 (-29)
40K → 25.2M
5:46 | 16:43/mi
Finish· 26.22 mi
5:30:49
Rank: #27448 (-44)
25.2M → Finish
13:45 | 13:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:02
Pace11:18 /mi
2nd Half
Distance13.11 mi
Time3:02:47
Pace13:57 /mi
📊Positive Split: 23.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0532:4110:3132:41
10:31
-
10K
6.21 mi12:22:401:06:1610:4033:35
10:49
+0:18
15K
9.32 mi12:57:561:41:3210:5435:16
11:21
+0:32
20K
12.43 mi13:36:112:19:4711:1538:15
12:19
+0:58
Half
13.11 mi13:44:262:28:0211:188:15
12:06
-0:13
25K
15.53 mi14:17:233:00:5911:3932:57
13:35
+1:29
30K
18.64 mi15:00:003:43:3612:0042:37
13:43
+0:08
20M
20.00 mi15:18:144:01:5012:0518:14
13:25
-0:18
21M
21.00 mi15:33:094:16:4512:1414:55
14:55
+1:30
35K
21.75 mi15:42:574:26:3312:159:48
13:06
-1:49
23M
23.00 mi16:00:284:44:0412:2117:31
13:59
+0:53
24M
24.00 mi16:14:414:58:1712:2614:13
14:13
+0:14
40K
24.85 mi16:27:425:11:1812:3113:01
15:13
+1:00
25.2M
25.20 mi16:33:285:17:0412:355:46
16:43
+1:30
Finish
26.22 mi16:47:135:30:4912:3813:45
13:30
-3:13

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

10:31 /mi

Average Pace

12:38 /mi

Slowest Pace

16:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:02

45% of race

Time at Steady Pace

2:29:05

45% of race

Time at Slower Pace

33:42

10% of race

Average Pace: 12:37 /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 mi11:49:0532:4110:3132:41
10:31
#26805
10K
6.21 mi12:22:401:06:1610:4033:35
10:49
#26791
15K
9.32 mi12:57:561:41:3210:5435:16
11:21
#26935
20K
12.43 mi13:36:112:19:4711:1538:15
12:19
#27096
Half
13.11 mi13:44:262:28:0211:188:15
12:06
#27128
25K
15.53 mi14:17:233:00:5911:3932:57
13:35
#27258
30K
18.64 mi15:00:003:43:3612:0042:37
13:43
#27279
20M
20.00 mi15:18:144:01:5012:0518:14
13:25
#27282
21M
21.00 mi15:33:094:16:4512:1414:55
14:55
#27286
35K
21.75 mi15:42:574:26:3312:159:48
13:06
#27285
23M
23.00 mi16:00:284:44:0412:2117:31
13:59
#27303
24M
24.00 mi16:14:414:58:1712:2614:13
14:13
#27343
40K
24.85 mi16:27:425:11:1812:3113:01
15:13
#27375
25.2M
25.20 mi16:33:285:17:0412:355:46
16:43
#27404
Finish
26.22 mi16:47:135:30:4912:3813:45
13:30
#27448
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26805112141121427084(Top 95%)11428(Top 93%)11428(Top 209%)
10K6.21 mi3.10 mi26791+1411218-411218-426794(Top 94%)11230(Top 92%)11230(Top 205%)
15K9.32 mi3.11 mi26935-14411316-9811316-9827084(Top 95%)11428(Top 93%)11428(Top 209%)
20K12.43 mi3.11 mi27096-16111429-11311429-11327365(Top 96%)11617(Top 95%)11617(Top 212%)
Half13.11 mi0.68 mi27128-3211445-1611445-1627511(Top 97%)11720(Top 96%)11720(Top 214%)
25K15.53 mi2.42 mi27258-13011535-9011535-9027663(Top 97%)11806(Top 97%)11806(Top 216%)
30K18.64 mi3.11 mi27279-2111572-3711572-3727297(Top 96%)11658(Top 95%)11658(Top 213%)
20M20.00 mi1.36 mi27282-311574-211574-226808(Top 94%)11458(Top 94%)11458(Top 210%)
21M21.00 mi1.00 mi27286-411582-811582-827077(Top 95%)11604(Top 95%)11604(Top 212%)
35K21.75 mi0.75 mi27285+111590-811590-827049(Top 95%)11617(Top 95%)11617(Top 212%)
23M23.00 mi1.25 mi27303-1811609-1911609-1927315(Top 96%)11766(Top 96%)11766(Top 215%)
24M24.00 mi1.00 mi27343-4011640-3111640-3127755(Top 98%)12011(Top 98%)12011(Top 220%)
40K24.85 mi0.85 mi27375-3211661-2111661-2127858(Top 98%)12034(Top 98%)12034(Top 220%)
25.2M25.20 mi0.35 mi27404-2911673-1211673-1227978(Top 99%)12100(Top 99%)12100(Top 221%)
Finish26.22 mi1.02 mi27448-4411699-2611699-2627863(Top 98%)12029(Top 98%)12029(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

27084

Females

11428

F18-39

11428

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26794

Females

11230

F18-39

11230

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

27084

Females

11428

F18-39

11428

15K→20K

9.3 - 12.4 mi

Top 96%
×5stories
+106ft-86ft

Overall

27365

Females

11617

F18-39

11617

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27511

Females

11720

F18-39

11720

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

27663

Females

11806

F18-39

11806

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27297

Females

11658

F18-39

11658

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

26808

Females

11458

F18-39

11458

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

27077

Females

11604

F18-39

11604

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

27049

Females

11617

F18-39

11617

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27315

Females

11766

F18-39

11766

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

27755

Females

12011

F18-39

12011

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27858

Females

12034

F18-39

12034

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

27978

Females

12100

F18-39

12100

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27863

Females

12029

F18-39

12029

Passing Analysis

Category:
Athletes Passed
535
Passed By
1178
Net Change
-643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26805
5K → 10K168154+14#26805#26791
10K → 15K73217-144#26791#26935
15K → 20K54215-161#26935#27096
20K → Half739-32#27096#27128
Half → 25K42172-130#27128#27258
25K → 30K7899-21#27258#27279
30K → 20M2225-3#27279#27282
20M → 21M2327-4#27282#27286
21M → 35K2120+1#27286#27285
35K → 23M2341-18#27285#27303
23M → 24M1050-40#27303#27343
24M → 40K638-32#27343#27375
40K → 25.2M231-29#27375#27404
25.2M → Finish650-44#27404#27448
TOTALS5351178-643
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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