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BOSTON MARATHON 2025

Maciej Jedrachowicz

Bib: 6657•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 39%
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
6:42/mi
20:49
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
41:39
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:02:43
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:24:25
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:29:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:11/mi
1:46:31
↑ 66↓ 880.2%
30K· 18.64 mi
7:36/mi
2:10:08
↑ 181↓ 1480.2%
20M
7:53/mi
2:20:51
↑ 64↓ 500.2%
21M
8:40/mi
2:29:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:35:12
↑ 17↓ 861.7%
23M
8:00/mi
2:45:13
↑ 23↓ 630.6%
24M
8:02/mi
2:53:15
↓ 821.3%
40K· 24.85 mi
8:42/mi
3:00:41
↓ 200.3%
25.2M
8:59/mi
3:03:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:11:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:05
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:42:45
Pace7:50 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0920:496:4220:49
6:42
-
10K
6.21 mi10:47:5941:396:4220:50
6:42
0:00
15K
9.32 mi11:09:031:02:436:4421:04
6:47
+0:05
20K
12.43 mi11:30:451:24:256:4821:42
6:59
+0:12
Half
13.11 mi11:35:251:29:056:484:40
6:50
-0:09
25K
15.53 mi11:52:511:46:316:5117:26
7:11
+0:21
30K
18.64 mi12:16:282:10:086:5923:37
7:36
+0:25
20M
20.00 mi12:27:112:20:517:0310:43
7:53
+0:17
21M
21.00 mi12:35:512:29:317:078:40
8:40
+0:47
35K
21.75 mi12:41:322:35:127:085:41
7:36
-1:04
23M
23.00 mi12:51:332:45:137:1110:01
8:00
+0:24
24M
24.00 mi12:59:352:53:157:138:02
8:02
+0:02
40K
24.85 mi13:07:013:00:417:167:26
8:42
+0:40
25.2M
25.20 mi13:10:073:03:477:183:06
8:59
+0:17
Finish
26.22 mi13:18:103:11:507:198:03
7:54
-1:05

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

6:42 /mi

Average Pace

7:19 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:31

56% of race

Time at Steady Pace

48:04

25% of race

Time at Slower Pace

37:15

19% of race

Average Pace: 7:19 /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 mi10:27:0920:496:4220:49
6:42
#5449
10K
6.21 mi10:47:5941:396:4220:50
6:42
#5393
15K
9.32 mi11:09:031:02:436:4421:04
6:47
#5525
20K
12.43 mi11:30:451:24:256:4821:42
6:59
#5875
Half
13.11 mi11:35:251:29:056:484:40
6:50
#5910
25K
15.53 mi11:52:511:46:316:5117:26
7:11
#6224
30K
18.64 mi12:16:282:10:086:5923:37
7:36
#6539
20M
20.00 mi12:27:112:20:517:0310:43
7:53
#6663
21M
21.00 mi12:35:512:29:317:078:40
8:40
#6829
35K
21.75 mi12:41:322:35:127:085:41
7:36
#6893
23M
23.00 mi12:51:332:45:137:1110:01
8:00
#7001
24M
24.00 mi12:59:352:53:157:138:02
8:02
#7128
40K
24.85 mi13:07:013:00:417:167:26
8:42
#7347
25.2M
25.20 mi13:10:073:03:477:183:06
8:59
#7405
Finish
26.22 mi13:18:103:11:507:198:03
7:54
#7560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5449505950595890(Top 21%)5364(Top 33%)5364(Top 95%)
10K6.21 mi3.10 mi5393+564996+634996+635384(Top 19%)4976(Top 31%)4976(Top 88%)
15K9.32 mi3.11 mi5525-1325106-1105106-1105890(Top 21%)5364(Top 33%)5364(Top 95%)
20K12.43 mi3.11 mi5875-3505384-2785384-2786780(Top 24%)6041(Top 38%)6041(Top 107%)
Half13.11 mi0.68 mi5910-355414-305414-306463(Top 23%)5803(Top 36%)5803(Top 103%)
25K15.53 mi2.42 mi6224-3145633-2195633-2197523(Top 26%)6453(Top 40%)6453(Top 114%)
30K18.64 mi3.11 mi6539-3155866-2335866-2338444(Top 30%)6843(Top 42%)6843(Top 121%)
20M20.00 mi1.36 mi6663-1245930-645930-649580(Top 34%)7293(Top 45%)7293(Top 129%)
21M21.00 mi1.00 mi6829-1666031-1016031-10111431(Top 40%)8075(Top 50%)8075(Top 143%)
35K21.75 mi0.75 mi6893-646062-316062-319264(Top 33%)6970(Top 43%)6970(Top 124%)
23M23.00 mi1.25 mi7001-1086100-386100-389983(Top 35%)7212(Top 45%)7212(Top 128%)
24M24.00 mi1.00 mi7128-1276149-496149-4911439(Top 40%)7860(Top 49%)7860(Top 139%)
40K24.85 mi0.85 mi7347-2196262-1136262-11314535(Top 51%)9224(Top 57%)9224(Top 163%)
25.2M25.20 mi0.35 mi7405-586283-216283-2111630(Top 41%)7764(Top 48%)7764(Top 138%)
Finish26.22 mi1.02 mi7560-1556349-666349-6612122(Top 43%)8088(Top 50%)8088(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5890

Males

5364

M18-39

5364

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5384

Males

4976

M18-39

4976

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5890

Males

5364

M18-39

5364

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6780

Males

6041

M18-39

6041

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6463

Males

5803

M18-39

5803

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7523

Males

6453

M18-39

6453

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8444

Males

6843

M18-39

6843

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9580

Males

7293

M18-39

7293

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

11431

Males

8075

M18-39

8075

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9264

Males

6970

M18-39

6970

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9983

Males

7212

M18-39

7212

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11439

Males

7860

M18-39

7860

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14535

Males

9224

M18-39

9224

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11630

Males

7764

M18-39

7764

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12122

Males

8088

M18-39

8088

Passing Analysis

Category:
Athletes Passed
791
Passed By
2902
Net Change
-2111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5449
5K → 10K219163+56#5449#5393
10K → 15K75207-132#5393#5525
15K → 20K51401-350#5525#5875
20K → Half1045-35#5875#5910
Half → 25K63377-314#5910#6224
25K → 30K93408-315#6224#6539
30K → 20M53177-124#6539#6663
20M → 21M37203-166#6663#6829
21M → 35K36100-64#6829#6893
35K → 23M60168-108#6893#7001
23M → 24M33160-127#7001#7128
24M → 40K18237-219#7128#7347
40K → 25.2M1472-58#7347#7405
25.2M → Finish29184-155#7405#7560
TOTALS7912902-2111
📊

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