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BOSTON MARATHON 2025

Florian Dubois

Bib: 2655•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 49%
Division (M18-39)
#0 / 5642
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
6:07/mi
19:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:23/mi
38:50
↑ 79↓ 1380.4%
15K· 9.32 mi
6:27/mi
58:53
↑ 67↓ 78
20K· 12.43 mi
6:26/mi
1:18:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:17/mi
1:23:10
↑ 19↓ 370.5%
25K· 15.53 mi
6:34/mi
1:39:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:02:37
↑ 181↓ 1480.2%
20M
7:42/mi
2:13:05
↑ 64↓ 500.2%
21M
9:21/mi
2:22:26
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
2:29:43
↑ 17↓ 861.7%
23M
11:07/mi
2:43:38
↑ 23↓ 630.6%
24M
12:02/mi
2:55:40
↓ 821.3%
40K· 24.85 mi
12:24/mi
3:06:16
↓ 200.3%
25.2M
12:08/mi
3:10:27
↑ 13↓ 160.2%
Finish· 26.22 mi
10:14/mi
3:20:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:10
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:57:43
Pace8:59 /mi
📊Positive Split: 41.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2019:006:0719:00
6:07
-
10K
6.21 mi10:40:1038:506:1519:50
6:23
+0:16
15K
9.32 mi11:00:1358:536:1920:03
6:27
+0:04
20K
12.43 mi11:20:131:18:536:2120:00
6:26
-0:01
Half
13.11 mi11:24:301:23:106:214:17
6:17
-0:09
25K
15.53 mi11:40:261:39:066:2315:56
6:34
+0:17
30K
18.64 mi12:03:572:02:376:3523:31
7:34
+1:00
20M
20.00 mi12:14:252:13:056:3910:28
7:42
+0:08
21M
21.00 mi12:23:462:22:266:479:21
9:21
+1:39
35K
21.75 mi12:31:032:29:436:537:17
9:44
+0:23
23M
23.00 mi12:44:582:43:387:0713:55
11:07
+1:23
24M
24.00 mi12:57:002:55:407:1912:02
12:02
+0:55
40K
24.85 mi13:07:363:06:167:3010:36
12:24
+0:22
25.2M
25.20 mi13:11:473:10:277:334:11
12:08
-0:16
Finish
26.22 mi13:22:133:20:537:4010:26
10:14
-1:54

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

6:07 /mi

Average Pace

7:40 /mi

Slowest Pace

12:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:10

41% of race

Time at Steady Pace

49:55

25% of race

Time at Slower Pace

1:07:48

34% of race

Average Pace: 7:40 /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 mi10:20:2019:006:0719:00
6:07
#1473
10K
6.21 mi10:40:1038:506:1519:50
6:23
#2138
15K
9.32 mi11:00:1358:536:1920:03
6:27
#2494
20K
12.43 mi11:20:131:18:536:2120:00
6:26
#2542
Half
13.11 mi11:24:301:23:106:214:17
6:17
#2527
25K
15.53 mi11:40:261:39:066:2315:56
6:34
#2626
30K
18.64 mi12:03:572:02:376:3523:31
7:34
#3515
20M
20.00 mi12:14:252:13:056:3910:28
7:42
#3801
21M
21.00 mi12:23:462:22:266:479:21
9:21
#4472
35K
21.75 mi12:31:032:29:436:537:17
9:44
#5269
23M
23.00 mi12:44:582:43:387:0713:55
11:07
#6505
24M
24.00 mi12:57:002:55:407:1912:02
12:02
#7878
40K
24.85 mi13:07:363:06:167:3010:36
12:24
#9189
25.2M
25.20 mi13:11:473:10:277:334:11
12:08
#9576
Finish
26.22 mi13:22:133:20:537:4010:26
10:14
#10402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1473140414043287(Top 12%)3123(Top 19%)3123(Top 55%)
10K6.21 mi3.10 mi2138-6652040-6362040-6362947(Top 10%)2806(Top 17%)2806(Top 50%)
15K9.32 mi3.11 mi2494-3562380-3402380-3403287(Top 12%)3123(Top 19%)3123(Top 55%)
20K12.43 mi3.11 mi2542-482425-452425-452754(Top 10%)2624(Top 16%)2624(Top 47%)
Half13.11 mi0.68 mi2527+152413+122413+122458(Top 9%)2355(Top 15%)2355(Top 42%)
25K15.53 mi2.42 mi2626-992507-942507-943299(Top 12%)3125(Top 19%)3125(Top 55%)
30K18.64 mi3.11 mi3515-8893322-8153322-8158218(Top 29%)6720(Top 42%)6720(Top 119%)
20M20.00 mi1.36 mi3801-2863580-2583580-2588365(Top 29%)6658(Top 41%)6658(Top 118%)
21M21.00 mi1.00 mi4472-6714150-5704150-57015366(Top 54%)9938(Top 62%)9938(Top 176%)
35K21.75 mi0.75 mi5269-7974821-6714821-67121088(Top 74%)12476(Top 77%)12476(Top 221%)
23M23.00 mi1.25 mi6505-12365748-9275748-92723475(Top 83%)13576(Top 84%)13576(Top 241%)
24M24.00 mi1.00 mi7878-13736626-8786626-87825721(Top 91%)14664(Top 91%)14664(Top 260%)
40K24.85 mi0.85 mi9189-13117376-7507376-75025512(Top 90%)14526(Top 90%)14526(Top 257%)
25.2M25.20 mi0.35 mi9576-3877568-1927568-19223465(Top 83%)13496(Top 84%)13496(Top 239%)
Finish26.22 mi1.02 mi10402-8267958-3907958-39023614(Top 83%)13566(Top 84%)13566(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3287

Males

3123

M18-39

3123

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2947

Males

2806

M18-39

2806

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3287

Males

3123

M18-39

3123

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2754

Males

2624

M18-39

2624

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2458

Males

2355

M18-39

2355

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3299

Males

3125

M18-39

3125

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8218

Males

6720

M18-39

6720

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8365

Males

6658

M18-39

6658

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15366

Males

9938

M18-39

9938

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21088

Males

12476

M18-39

12476

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23475

Males

13576

M18-39

13576

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25721

Males

14664

M18-39

14664

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25512

Males

14526

M18-39

14526

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23465

Males

13496

M18-39

13496

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23614

Males

13566

M18-39

13566

Passing Analysis

Category:
Athletes Passed
179
Passed By
9106
Net Change
-8929
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1473
5K → 10K3668-665#1473#2138
10K → 15K14370-356#2138#2494
15K → 20K56104-48#2494#2542
20K → Half227+15#2542#2527
Half → 25K34133-99#2527#2626
25K → 30K9898-889#2626#3515
30K → 20M14300-286#3515#3801
20M → 21M5676-671#3801#4472
21M → 35K5802-797#4472#5269
35K → 23M81244-1236#5269#6505
23M → 24M21375-1373#6505#7878
24M → 40K01311-1311#7878#9189
40K → 25.2M3390-387#9189#9576
25.2M → Finish4828-826#9576#10402
TOTALS1799106-8929
📊

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