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BOSTON MARATHON 2025

Manuel De Backer

Bib: 233•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:34
Rank: #4769
Start → 5K
20:34 | 6:37/mi
10K· 6.21 mi
40:39
Rank: #4082 (+687)
5K → 10K
20:05 | 6:28/mi
15K· 9.32 mi
1:00:33
Rank: #3674 (+408)
10K → 15K
19:54 | 6:24/mi
20K· 12.43 mi
1:20:37
Rank: #3413 (+261)
15K → 20K
20:04 | 6:28/mi
Half· 13.11 mi
1:24:57
Rank: #3376 (+37)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:54
Rank: #3348 (+28)
Half → 25K
15:57 | 6:35/mi
30K· 18.64 mi
2:01:05
Rank: #3012 (+336)
25K → 30K
20:11 | 6:30/mi
20M
2:10:04
Rank: #2890 (+122)
30K → 20M
8:59 | 6:37/mi
21M
2:16:59
Rank: #2798 (+92)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:21:51
Rank: #2771 (+27)
21M → 35K
4:52 | 6:30/mi
23M
2:30:10
Rank: #2677 (+94)
35K → 23M
8:19 | 6:39/mi
24M
2:36:35
Rank: #2596 (+81)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:42:04
Rank: #2505 (+91)
24M → 40K
5:29 | 6:25/mi
25.2M
2:44:28
Rank: #2481 (+24)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:50:57
Rank: #2430 (+51)
25.2M → Finish
6:29 | 6:22/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:57
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:26:00
Pace6:34 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1420:346:3720:34
6:37
-
10K
6.21 mi10:42:1940:396:3320:05
6:28
-0:09
15K
9.32 mi11:02:131:00:336:3019:54
6:24
-0:04
20K
12.43 mi11:22:171:20:376:2920:04
6:28
+0:04
Half
13.11 mi11:26:371:24:576:294:20
6:21
-0:07
25K
15.53 mi11:42:341:40:546:3015:57
6:35
+0:14
30K
18.64 mi12:02:452:01:056:3020:11
6:30
-0:05
20M
20.00 mi12:11:442:10:046:308:59
6:37
+0:07
21M
21.00 mi12:18:392:16:596:316:55
6:55
+0:18
35K
21.75 mi12:23:312:21:516:314:52
6:30
-0:25
23M
23.00 mi12:31:502:30:106:328:19
6:39
+0:09
24M
24.00 mi12:38:152:36:356:316:25
6:25
-0:14
40K
24.85 mi12:43:442:42:046:315:29
6:25
0:00
25.2M
25.20 mi12:46:082:44:286:322:24
6:58
+0:33
Finish
26.22 mi12:52:372:50:576:316:29
6:22
-0:36

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

6:21 /mi

Average Pace

6:31 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:41:38

95% of race

Time at Steady Pace

9:19

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:1420:346:3720:34
6:37
#4769
10K
6.21 mi10:42:1940:396:3320:05
6:28
#4082
15K
9.32 mi11:02:131:00:336:3019:54
6:24
#3674
20K
12.43 mi11:22:171:20:376:2920:04
6:28
#3413
Half
13.11 mi11:26:371:24:576:294:20
6:21
#3376
25K
15.53 mi11:42:341:40:546:3015:57
6:35
#3348
30K
18.64 mi12:02:452:01:056:3020:11
6:30
#3012
20M
20.00 mi12:11:442:10:046:308:59
6:37
#2890
21M
21.00 mi12:18:392:16:596:316:55
6:55
#2798
35K
21.75 mi12:23:312:21:516:314:52
6:30
#2771
23M
23.00 mi12:31:502:30:106:328:19
6:39
#2677
24M
24.00 mi12:38:152:36:356:316:25
6:25
#2596
40K
24.85 mi12:43:442:42:046:315:29
6:25
#2505
25.2M
25.20 mi12:46:082:44:286:322:24
6:58
#2481
Finish
26.22 mi12:52:372:50:576:316:29
6:22
#2430
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4769447044702978(Top 10%)2837(Top 18%)2837(Top 50%)
10K6.21 mi3.10 mi4082+6873849+6213849+6213476(Top 12%)3295(Top 20%)3295(Top 58%)
15K9.32 mi3.11 mi3674+4083475+3743475+3742978(Top 10%)2837(Top 18%)2837(Top 50%)
20K12.43 mi3.11 mi3413+2613238+2373238+2372874(Top 10%)2737(Top 17%)2737(Top 49%)
Half13.11 mi0.68 mi3376+373206+323206+322820(Top 10%)2696(Top 17%)2696(Top 48%)
25K15.53 mi2.42 mi3348+283183+233183+233335(Top 12%)3154(Top 20%)3154(Top 56%)
30K18.64 mi3.11 mi3012+3362868+3152868+3151975(Top 7%)1878(Top 12%)1878(Top 33%)
20M20.00 mi1.36 mi2890+1222750+1182750+1182077(Top 7%)1966(Top 12%)1966(Top 35%)
21M21.00 mi1.00 mi2798+922665+852665+851957(Top 7%)1846(Top 11%)1846(Top 33%)
35K21.75 mi0.75 mi2771+272636+292636+292498(Top 9%)2331(Top 14%)2331(Top 41%)
23M23.00 mi1.25 mi2677+942544+922544+922025(Top 7%)1895(Top 12%)1895(Top 34%)
24M24.00 mi1.00 mi2596+812463+812463+811739(Top 6%)1624(Top 10%)1624(Top 29%)
40K24.85 mi0.85 mi2505+912375+882375+881324(Top 5%)1231(Top 8%)1231(Top 22%)
25.2M25.20 mi0.35 mi2481+242353+222353+221401(Top 5%)1288(Top 8%)1288(Top 23%)
Finish26.22 mi1.02 mi2430+512304+492304+492154(Top 8%)1972(Top 12%)1972(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2978

Males

2837

M18-39

2837

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3476

Males

3295

M18-39

3295

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2978

Males

2837

M18-39

2837

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2874

Males

2737

M18-39

2737

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2820

Males

2696

M18-39

2696

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3335

Males

3154

M18-39

3154

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1975

Males

1878

M18-39

1878

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2077

Males

1966

M18-39

1966

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1957

Males

1846

M18-39

1846

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2498

Males

2331

M18-39

2331

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

2025

Males

1895

M18-39

1895

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1739

Males

1624

M18-39

1624

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1324

Males

1231

M18-39

1231

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1401

Males

1288

M18-39

1288

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2154

Males

1972

M18-39

1972

Passing Analysis

Category:
Athletes Passed
2486
Passed By
147
Net Change
+2339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4769
5K → 10K69811+687#4769#4082
10K → 15K4146+408#4082#3674
15K → 20K2687+261#3674#3413
20K → Half403+37#3413#3376
Half → 25K8052+28#3376#3348
25K → 30K3393+336#3348#3012
30K → 20M1286+122#3012#2890
20M → 21M1008+92#2890#2798
21M → 35K4316+27#2798#2771
35K → 23M10410+94#2771#2677
23M → 24M876+81#2677#2596
24M → 40K943+91#2596#2505
40K → 25.2M262+24#2505#2481
25.2M → Finish6514+51#2481#2430
TOTALS2486147+2339
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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