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BOSTON MARATHON 2025

Nathalie Gibey

Bib: 22656•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 36%
Masters (Masters Women)
#0 / 6759
Top 22%
Division (F50-54)
#0 / 1303
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:15
Rank: #17552
Start → 5K
25:15 | 8:08/mi
10K· 6.21 mi
50:36
Rank: #17595 (-43)
5K → 10K
25:21 | 8:10/mi
15K· 9.32 mi
1:15:34
Rank: #17139 (+456)
10K → 15K
24:58 | 8:02/mi
20K· 12.43 mi
1:40:42
Rank: #16703 (+436)
15K → 20K
25:08 | 8:05/mi
Half· 13.11 mi
1:46:06
Rank: #16618 (+85)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:05:42
Rank: #16263 (+355)
Half → 25K
19:36 | 8:05/mi
30K· 18.64 mi
2:31:32
Rank: #15739 (+524)
25K → 30K
25:50 | 8:19/mi
20M
2:42:47
Rank: #15420 (+319)
30K → 20M
11:15 | 8:17/mi
21M
2:51:47
Rank: #15252 (+168)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:57:50
Rank: #15133 (+119)
21M → 35K
6:03 | 8:05/mi
23M
3:08:12
Rank: #14891 (+242)
35K → 23M
10:22 | 8:17/mi
24M
3:16:13
Rank: #14719 (+172)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:23:03
Rank: #14517 (+202)
24M → 40K
6:50 | 8:00/mi
25.2M
3:26:02
Rank: #14428 (+89)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:33:43
Rank: #14220 (+208)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:06
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:47:37
Pace8:13 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:0725:158:0825:15
8:08
-
10K
6.21 mi11:47:2850:368:0925:21
8:10
+0:02
15K
9.32 mi12:12:261:15:348:0624:58
8:02
-0:08
20K
12.43 mi12:37:341:40:428:0625:08
8:05
+0:03
Half
13.11 mi12:42:581:46:068:065:24
7:55
-0:10
25K
15.53 mi13:02:342:05:428:0619:36
8:05
+0:10
30K
18.64 mi13:28:242:31:328:0825:50
8:19
+0:14
20M
20.00 mi13:39:392:42:478:0811:15
8:17
-0:02
21M
21.00 mi13:48:392:51:478:119:00
9:00
+0:43
35K
21.75 mi13:54:422:57:508:116:03
8:05
-0:55
23M
23.00 mi14:05:043:08:128:1110:22
8:17
+0:12
24M
24.00 mi14:13:053:16:138:118:01
8:01
-0:16
40K
24.85 mi14:19:553:23:038:106:50
8:00
-0:01
25.2M
25.20 mi14:22:543:26:028:112:59
8:39
+0:39
Finish
26.22 mi14:30:353:33:438:097:41
7:32
-1:07

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

7:32 /mi

Average Pace

8:09 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:54

82% of race

Time at Steady Pace

28:49

13% of race

Time at Slower Pace

9:00

4% of race

Average Pace: 8:09 /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 mi11:22:0725:158:0825:15
8:08
#17552
10K
6.21 mi11:47:2850:368:0925:21
8:10
#17595
15K
9.32 mi12:12:261:15:348:0624:58
8:02
#17139
20K
12.43 mi12:37:341:40:428:0625:08
8:05
#16703
Half
13.11 mi12:42:581:46:068:065:24
7:55
#16618
25K
15.53 mi13:02:342:05:428:0619:36
8:05
#16263
30K
18.64 mi13:28:242:31:328:0825:50
8:19
#15739
20M
20.00 mi13:39:392:42:478:0811:15
8:17
#15420
21M
21.00 mi13:48:392:51:478:119:00
9:00
#15252
35K
21.75 mi13:54:422:57:508:116:03
8:05
#15133
23M
23.00 mi14:05:043:08:128:1110:22
8:17
#14891
24M
24.00 mi14:13:053:16:138:118:01
8:01
#14719
40K
24.85 mi14:19:553:23:038:106:50
8:00
#14517
25.2M
25.20 mi14:22:543:26:028:112:59
8:39
#14428
Finish
26.22 mi14:30:353:33:438:097:41
7:32
#14220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi175526059605916324(Top 57%)5324(Top 44%)5324(Top 409%)
10K6.21 mi3.10 mi17595-436092-336092-3317616(Top 62%)6064(Top 50%)6064(Top 465%)
15K9.32 mi3.11 mi17139+4565790+3025790+30216324(Top 57%)5324(Top 44%)5324(Top 409%)
20K12.43 mi3.11 mi16703+4365555+2355555+23515577(Top 55%)4953(Top 41%)4953(Top 380%)
Half13.11 mi0.68 mi16618+855514+415514+4115260(Top 54%)4757(Top 39%)4757(Top 365%)
25K15.53 mi2.42 mi16263+3555318+1965318+19614535(Top 51%)4500(Top 37%)4500(Top 345%)
30K18.64 mi3.11 mi15739+5245078+2405078+24013609(Top 48%)4154(Top 34%)4154(Top 319%)
20M20.00 mi1.36 mi15420+3194935+1434935+14312371(Top 44%)3635(Top 30%)3635(Top 279%)
21M21.00 mi1.00 mi15252+1684866+694866+6913534(Top 48%)4382(Top 36%)4382(Top 336%)
35K21.75 mi0.75 mi15133+1194814+524814+5212884(Top 45%)4103(Top 34%)4103(Top 315%)
23M23.00 mi1.25 mi14891+2424700+1144700+11411951(Top 42%)3718(Top 30%)3718(Top 285%)
24M24.00 mi1.00 mi14719+1724641+594641+5911416(Top 40%)3539(Top 29%)3539(Top 272%)
40K24.85 mi0.85 mi14517+2024556+854556+8510207(Top 36%)3047(Top 25%)3047(Top 234%)
25.2M25.20 mi0.35 mi14428+894519+374519+379841(Top 35%)2967(Top 24%)2967(Top 228%)
Finish26.22 mi1.02 mi14220+2084432+874432+879537(Top 34%)2792(Top 23%)2792(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16324

Females

5324

F50-54

5324

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17616

Females

6064

F50-54

6064

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16324

Females

5324

F50-54

5324

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15577

Females

4953

F50-54

4953

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15260

Females

4757

F50-54

4757

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14535

Females

4500

F50-54

4500

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13609

Females

4154

F50-54

4154

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12371

Females

3635

F50-54

3635

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13534

Females

4382

F50-54

4382

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12884

Females

4103

F50-54

4103

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11951

Females

3718

F50-54

3718

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11416

Females

3539

F50-54

3539

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10207

Females

3047

F50-54

3047

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9841

Females

2967

F50-54

2967

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9537

Females

2792

F50-54

2792

Passing Analysis

Category:
Athletes Passed
3841
Passed By
509
Net Change
+3332
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17552
5K → 10K271314-43#17552#17595
10K → 15K50650+456#17595#17139
15K → 20K46226+436#17139#16703
20K → Half916+85#16703#16618
Half → 25K37015+355#16618#16263
25K → 30K55127+524#16263#15739
30K → 20M3223+319#15739#15420
20M → 21M19325+168#15420#15252
21M → 35K13617+119#15252#15133
35K → 23M25513+242#15133#14891
23M → 24M1775+172#14891#14719
24M → 40K2064+202#14719#14517
40K → 25.2M901+89#14517#14428
25.2M → Finish2113+208#14428#14220
TOTALS3841509+3332
📊

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