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BOSTON MARATHON 2025

Florence Thibodeau

Bib: 11989•F

QC

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0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:38
Rank: #10215
Start → 5K
22:38 | 7:17/mi
10K· 6.21 mi
45:13
Rank: #10159 (+56)
5K → 10K
22:35 | 7:16/mi
15K· 9.32 mi
1:07:43
Rank: #9902 (+257)
10K → 15K
22:30 | 7:15/mi
20K· 12.43 mi
1:30:41
Rank: #9857 (+45)
15K → 20K
22:58 | 7:24/mi
Half· 13.11 mi
1:35:38
Rank: #9836 (+21)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:53:34
Rank: #9668 (+168)
Half → 25K
17:56 | 7:24/mi
30K· 18.64 mi
2:17:13
Rank: #9382 (+286)
25K → 30K
23:39 | 7:37/mi
20M
2:27:33
Rank: #9213 (+169)
30K → 20M
10:20 | 7:36/mi
21M
2:35:43
Rank: #9121 (+92)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:41:22
Rank: #9094 (+27)
21M → 35K
5:39 | 7:33/mi
23M
2:51:21
Rank: #9075 (+19)
35K → 23M
9:59 | 7:58/mi
24M
2:59:12
Rank: #9093 (-18)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:06:00
Rank: #9098 (-5)
24M → 40K
6:48 | 7:57/mi
25.2M
3:09:00
Rank: #9096 (+2)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:16:44
Rank: #9103 (-7)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:38
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:41:06
Pace7:43 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2522:387:1722:38
7:17
-
10K
6.21 mi11:13:0045:137:1722:35
7:16
-0:01
15K
9.32 mi11:35:301:07:437:1622:30
7:15
-0:01
20K
12.43 mi11:58:281:30:417:1822:58
7:24
+0:09
Half
13.11 mi12:03:251:35:387:184:57
7:15
-0:09
25K
15.53 mi12:21:211:53:347:1917:56
7:24
+0:09
30K
18.64 mi12:45:002:17:137:2223:39
7:37
+0:13
20M
20.00 mi12:55:202:27:337:2310:20
7:36
-0:01
21M
21.00 mi13:03:302:35:437:258:10
8:10
+0:34
35K
21.75 mi13:09:092:41:227:255:39
7:33
-0:37
23M
23.00 mi13:19:082:51:217:279:59
7:58
+0:25
24M
24.00 mi13:26:592:59:127:287:51
7:51
-0:07
40K
24.85 mi13:33:473:06:007:296:48
7:57
+0:06
25.2M
25.20 mi13:36:473:09:007:303:00
8:42
+0:45
Finish
26.22 mi13:44:313:16:447:317:44
7:35
-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

7:15 /mi

Average Pace

7:31 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:40

37% of race

Time at Steady Pace

1:28:16

45% of race

Time at Slower Pace

35:48

18% of race

Average Pace: 7:30 /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 mi10:50:2522:387:1722:38
7:17
#10215
10K
6.21 mi11:13:0045:137:1722:35
7:16
#10159
15K
9.32 mi11:35:301:07:437:1622:30
7:15
#9902
20K
12.43 mi11:58:281:30:417:1822:58
7:24
#9857
Half
13.11 mi12:03:251:35:387:184:57
7:15
#9836
25K
15.53 mi12:21:211:53:347:1917:56
7:24
#9668
30K
18.64 mi12:45:002:17:137:2223:39
7:37
#9382
20M
20.00 mi12:55:202:27:337:2310:20
7:36
#9213
21M
21.00 mi13:03:302:35:437:258:10
8:10
#9121
35K
21.75 mi13:09:092:41:227:255:39
7:33
#9094
23M
23.00 mi13:19:082:51:217:279:59
7:58
#9075
24M
24.00 mi13:26:592:59:127:287:51
7:51
#9093
40K
24.85 mi13:33:473:06:007:296:48
7:57
#9098
25.2M
25.20 mi13:36:473:09:007:303:00
8:42
#9096
Finish
26.22 mi13:44:313:16:447:317:44
7:35
#9103
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10215190519059499(Top 33%)1651(Top 14%)1651(Top 30%)
10K6.21 mi3.10 mi10159+561887+181887+1810107(Top 36%)1875(Top 15%)1875(Top 34%)
15K9.32 mi3.11 mi9902+2571797+901797+909499(Top 33%)1651(Top 14%)1651(Top 30%)
20K12.43 mi3.11 mi9857+451802-51802-59854(Top 35%)1894(Top 15%)1894(Top 35%)
Half13.11 mi0.68 mi9836+211791+111791+119672(Top 34%)1800(Top 15%)1800(Top 33%)
25K15.53 mi2.42 mi9668+1681751+401751+409147(Top 32%)1703(Top 14%)1703(Top 31%)
30K18.64 mi3.11 mi9382+2861673+781673+788546(Top 30%)1619(Top 13%)1619(Top 30%)
20M20.00 mi1.36 mi9213+1691630+431630+437741(Top 27%)1444(Top 12%)1444(Top 26%)
21M21.00 mi1.00 mi9121+921625+51625+58402(Top 30%)1898(Top 16%)1898(Top 35%)
35K21.75 mi0.75 mi9094+271639-141639-149040(Top 32%)2134(Top 17%)2134(Top 39%)
23M23.00 mi1.25 mi9075+191675-361675-369857(Top 35%)2661(Top 22%)2661(Top 49%)
24M24.00 mi1.00 mi9093-181712-371712-3710202(Top 36%)2897(Top 24%)2897(Top 53%)
40K24.85 mi0.85 mi9098-51745-331745-339864(Top 35%)2844(Top 23%)2844(Top 52%)
25.2M25.20 mi0.35 mi9096+21765-201765-2010029(Top 35%)3016(Top 25%)3016(Top 55%)
Finish26.22 mi1.02 mi9103-71811-461811-469856(Top 35%)2915(Top 24%)2915(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9499

Females

1651

F18-39

1651

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10107

Females

1875

F18-39

1875

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9499

Females

1651

F18-39

1651

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9854

Females

1894

F18-39

1894

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9672

Females

1800

F18-39

1800

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9147

Females

1703

F18-39

1703

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8546

Females

1619

F18-39

1619

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7741

Females

1444

F18-39

1444

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8402

Females

1898

F18-39

1898

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9040

Females

2134

F18-39

2134

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9857

Females

2661

F18-39

2661

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10202

Females

2897

F18-39

2897

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9864

Females

2844

F18-39

2844

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10029

Females

3016

F18-39

3016

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9856

Females

2915

F18-39

2915

Passing Analysis

Category:
Athletes Passed
2228*
Passed By
1116
Net Change
+1112
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10215
5K → 10K262206+56#10215#10159
10K → 15K329*72+257#10159#9902
15K → 20K211166+45#9902#9857
20K → Half4322+21#9857#9836
Half → 25K22961+168#9836#9668
25K → 30K36680+286#9668#9382
30K → 20M18920+169#9382#9213
20M → 21M14553+92#9213#9121
21M → 35K6437+27#9121#9094
35K → 23M119100+19#9094#9075
23M → 24M6987-18#9075#9093
24M → 40K8590-5#9093#9098
40K → 25.2M3937+2#9098#9096
25.2M → Finish7885-7#9096#9103
TOTALS2228*1116+1112

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

📊

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