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BOSTON MARATHON 2025

Charles Backurz

Bib: 3900•M

UT

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:11
Rank: #8968
Start → 5K
22:11 | 7:08/mi
10K· 6.21 mi
44:38
Rank: #9307 (-339)
5K → 10K
22:27 | 7:14/mi
15K· 9.32 mi
1:07:32
Rank: #9709 (-402)
10K → 15K
22:54 | 7:22/mi
20K· 12.43 mi
1:30:47
Rank: #9920 (-211)
15K → 20K
23:15 | 7:29/mi
Half· 13.11 mi
1:35:44
Rank: #9903 (+17)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:11
Rank: #10000 (-97)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:19:19
Rank: #10344 (-344)
25K → 30K
25:08 | 8:05/mi
20M
2:30:47
Rank: #10593 (-249)
30K → 20M
11:28 | 8:26/mi
21M
2:39:44
Rank: #10724 (-131)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:45:53
Rank: #10824 (-100)
21M → 35K
6:09 | 8:13/mi
23M
2:56:35
Rank: #10962 (-138)
35K → 23M
10:42 | 8:33/mi
24M
3:04:59
Rank: #11052 (-90)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:12:18
Rank: #11155 (-103)
24M → 40K
7:19 | 8:33/mi
25.2M
3:15:30
Rank: #11177 (-22)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:24:00
Rank: #11334 (-157)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:44
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:48:16
Pace8:16 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3022:117:0822:11
7:08
-
10K
6.21 mi10:46:5744:387:1122:27
7:14
+0:06
15K
9.32 mi11:09:511:07:327:1522:54
7:22
+0:08
20K
12.43 mi11:33:061:30:477:1823:15
7:29
+0:07
Half
13.11 mi11:38:031:35:447:184:57
7:15
-0:14
25K
15.53 mi11:56:301:54:117:2118:27
7:37
+0:22
30K
18.64 mi12:21:382:19:197:2825:08
8:05
+0:28
20M
20.00 mi12:33:062:30:477:3211:28
8:26
+0:21
21M
21.00 mi12:42:032:39:447:368:57
8:57
+0:31
35K
21.75 mi12:48:122:45:537:386:09
8:13
-0:44
23M
23.00 mi12:58:542:56:357:4110:42
8:33
+0:20
24M
24.00 mi13:07:183:04:597:428:24
8:24
-0:09
40K
24.85 mi13:14:373:12:187:447:19
8:33
+0:09
25.2M
25.20 mi13:17:493:15:307:453:12
9:17
+0:44
Finish
26.22 mi13:26:193:24:007:478:30
8:20
-0:57

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

7:08 /mi

Average Pace

7:47 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:11

56% of race

Time at Steady Pace

59:39

29% of race

Time at Slower Pace

30:10

15% of race

Average Pace: 7:47 /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 mi10:24:3022:117:0822:11
7:08
#8968
10K
6.21 mi10:46:5744:387:1122:27
7:14
#9307
15K
9.32 mi11:09:511:07:327:1522:54
7:22
#9709
20K
12.43 mi11:33:061:30:477:1823:15
7:29
#9920
Half
13.11 mi11:38:031:35:447:184:57
7:15
#9903
25K
15.53 mi11:56:301:54:117:2118:27
7:37
#10000
30K
18.64 mi12:21:382:19:197:2825:08
8:05
#10344
20M
20.00 mi12:33:062:30:477:3211:28
8:26
#10593
21M
21.00 mi12:42:032:39:447:368:57
8:57
#10724
35K
21.75 mi12:48:122:45:537:386:09
8:13
#10824
23M
23.00 mi12:58:542:56:357:4110:42
8:33
#10962
24M
24.00 mi13:07:183:04:597:428:24
8:24
#11052
40K
24.85 mi13:14:373:12:187:447:19
8:33
#11155
25.2M
25.20 mi13:17:493:15:307:453:12
9:17
#11177
Finish
26.22 mi13:26:193:24:007:478:30
8:20
#11334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi89687594759410592(Top 37%)8395(Top 52%)8395(Top 149%)
10K6.21 mi3.10 mi9307-3397780-1867780-1869700(Top 34%)7991(Top 50%)7991(Top 142%)
15K9.32 mi3.11 mi9709-4027985-2057985-20510592(Top 37%)8395(Top 52%)8395(Top 149%)
20K12.43 mi3.11 mi9920-2118069-848069-8410610(Top 37%)8316(Top 52%)8316(Top 147%)
Half13.11 mi0.68 mi9903+178055+148055+149585(Top 34%)7820(Top 49%)7820(Top 139%)
25K15.53 mi2.42 mi10000-978067-128067-1210840(Top 38%)8314(Top 52%)8314(Top 147%)
30K18.64 mi3.11 mi10344-3448196-1298196-12912009(Top 42%)8678(Top 54%)8678(Top 154%)
20M20.00 mi1.36 mi10593-2498264-688264-6813359(Top 47%)9145(Top 57%)9145(Top 162%)
21M21.00 mi1.00 mi10724-1318292-288292-2813180(Top 46%)8936(Top 55%)8936(Top 158%)
35K21.75 mi0.75 mi10824-1008311-198311-1913711(Top 48%)9134(Top 57%)9134(Top 162%)
23M23.00 mi1.25 mi10962-1388335-248335-2413574(Top 48%)8966(Top 56%)8966(Top 159%)
24M24.00 mi1.00 mi11052-908340-58340-513835(Top 49%)9060(Top 56%)9060(Top 161%)
40K24.85 mi0.85 mi11155-1038357-178357-1713755(Top 48%)8880(Top 55%)8880(Top 157%)
25.2M25.20 mi0.35 mi11177-228345+128345+1213286(Top 47%)8592(Top 53%)8592(Top 152%)
Finish26.22 mi1.02 mi11334-1578387-428387-4215156(Top 53%)9540(Top 59%)9540(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10592

Males

8395

M18-39

8395

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9700

Males

7991

M18-39

7991

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10592

Males

8395

M18-39

8395

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10610

Males

8316

M18-39

8316

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9585

Males

7820

M18-39

7820

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10840

Males

8314

M18-39

8314

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

12009

Males

8678

M18-39

8678

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13359

Males

9145

M18-39

9145

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13180

Males

8936

M18-39

8936

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

13711

Males

9134

M18-39

9134

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13574

Males

8966

M18-39

8966

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13835

Males

9060

M18-39

9060

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13755

Males

8880

M18-39

8880

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13286

Males

8592

M18-39

8592

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15156

Males

9540

M18-39

9540

Passing Analysis

Category:
Athletes Passed
994
Passed By
3356
Net Change
-2366
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8968
5K → 10K117456-339#8968#9307
10K → 15K60461-402#9307#9709
15K → 20K125335-211#9709#9920
20K → Half3417+17#9920#9903
Half → 25K122218-97#9903#10000
25K → 30K140483-344#10000#10344
30K → 20M60309-249#10344#10593
20M → 21M64195-131#10593#10724
21M → 35K35135-100#10724#10824
35K → 23M69207-138#10824#10962
23M → 24M57147-90#10962#11052
24M → 40K44147-103#11052#11155
40K → 25.2M3254-22#11155#11177
25.2M → Finish35192-157#11177#11334
TOTALS9943356-2366
📊

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