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BOSTON MARATHON 2025

Konrad Zomer

Bib: 13163•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 48%
Division (M55-59)
#0 / 1648
Top 35%
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
7:53/mi
24:30
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:13:06
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:37:59
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:43:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:02:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:28:26
↑ 181↓ 1480.2%
20M
8:08/mi
2:39:29
↑ 64↓ 500.2%
21M
8:28/mi
2:47:57
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:53:55
↑ 17↓ 861.7%
23M
7:58/mi
3:03:53
↑ 23↓ 630.6%
24M
7:55/mi
3:11:48
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:18:36
↓ 200.3%
25.2M
8:33/mi
3:21:33
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:29:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:23
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:45:38
Pace8:03 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5924:307:5324:30
7:53
-
10K
6.21 mi11:18:1648:477:5124:17
7:49
-0:04
15K
9.32 mi11:42:351:13:067:5124:19
7:50
+0:01
20K
12.43 mi12:07:281:37:597:5324:53
8:01
+0:11
Half
13.11 mi12:12:521:43:237:535:24
7:55
-0:06
25K
15.53 mi12:32:202:02:517:5419:28
8:02
+0:07
30K
18.64 mi12:57:552:28:267:5825:35
8:14
+0:12
20M
20.00 mi13:08:582:39:297:5811:03
8:08
-0:06
21M
21.00 mi13:17:262:47:578:008:28
8:28
+0:20
35K
21.75 mi13:23:242:53:558:005:58
7:59
-0:29
23M
23.00 mi13:33:223:03:538:009:58
7:58
-0:01
24M
24.00 mi13:41:173:11:488:007:55
7:55
-0:03
40K
24.85 mi13:48:053:18:367:596:48
7:57
+0:02
25.2M
25.20 mi13:51:023:21:338:002:57
8:33
+0:36
Finish
26.22 mi13:58:303:29:017:597:28
7:20
-1:13

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

7:20 /mi

Average Pace

7:59 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:58

77% of race

Time at Steady Pace

48:03

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:53:5924:307:5324:30
7:53
#15534
10K
6.21 mi11:18:1648:477:5124:17
7:49
#15242
15K
9.32 mi11:42:351:13:067:5124:19
7:50
#15008
20K
12.43 mi12:07:281:37:597:5324:53
8:01
#14948
Half
13.11 mi12:12:521:43:237:535:24
7:55
#14971
25K
15.53 mi12:32:202:02:517:5419:28
8:02
#14793
30K
18.64 mi12:57:552:28:267:5825:35
8:14
#14386
20M
20.00 mi13:08:582:39:297:5811:03
8:08
#14105
21M
21.00 mi13:17:262:47:578:008:28
8:28
#13832
35K
21.75 mi13:23:242:53:558:005:58
7:59
#13748
23M
23.00 mi13:33:223:03:538:009:58
7:58
#13467
24M
24.00 mi13:41:173:11:488:007:55
7:55
#13338
40K
24.85 mi13:48:053:18:367:596:48
7:57
#13193
25.2M
25.20 mi13:51:023:21:338:002:57
8:33
#13122
Finish
26.22 mi13:58:303:29:017:597:28
7:20
#12911
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15534106341063414585(Top 51%)10184(Top 63%)10184(Top 618%)
10K6.21 mi3.10 mi15242+29210508+12610508+12614953(Top 53%)10402(Top 65%)10402(Top 631%)
15K9.32 mi3.11 mi15008+23410404+10410404+10414585(Top 51%)10184(Top 63%)10184(Top 618%)
20K12.43 mi3.11 mi14948+6010350+5410350+5414989(Top 53%)10302(Top 64%)10302(Top 625%)
Half13.11 mi0.68 mi14971-2310349+110349+115135(Top 53%)10382(Top 64%)10382(Top 630%)
25K15.53 mi2.42 mi14793+17810246+10310246+10314102(Top 50%)9807(Top 61%)9807(Top 595%)
30K18.64 mi3.11 mi14386+40710016+23010016+23013049(Top 46%)9162(Top 57%)9162(Top 556%)
20M20.00 mi1.36 mi14105+2819867+1499867+14911330(Top 40%)8209(Top 51%)8209(Top 498%)
21M21.00 mi1.00 mi13832+2739714+1539714+15310241(Top 36%)7491(Top 47%)7491(Top 455%)
35K21.75 mi0.75 mi13748+849657+579657+5712095(Top 43%)8375(Top 52%)8375(Top 508%)
23M23.00 mi1.25 mi13467+2819493+1649493+1649741(Top 34%)7109(Top 44%)7109(Top 431%)
24M24.00 mi1.00 mi13338+1299417+769417+7610661(Top 38%)7517(Top 47%)7517(Top 456%)
40K24.85 mi0.85 mi13193+1459324+939324+939843(Top 35%)6978(Top 43%)6978(Top 423%)
25.2M25.20 mi0.35 mi13122+719280+449280+449098(Top 32%)6517(Top 40%)6517(Top 395%)
Finish26.22 mi1.02 mi12911+2119167+1139167+1137963(Top 28%)5897(Top 37%)5897(Top 358%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14585

Males

10184

M55-59

10184

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14953

Males

10402

M55-59

10402

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14585

Males

10184

M55-59

10184

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14989

Males

10302

M55-59

10302

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15135

Males

10382

M55-59

10382

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14102

Males

9807

M55-59

9807

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13049

Males

9162

M55-59

9162

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11330

Males

8209

M55-59

8209

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10241

Males

7491

M55-59

7491

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12095

Males

8375

M55-59

8375

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9741

Males

7109

M55-59

7109

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10661

Males

7517

M55-59

7517

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9843

Males

6978

M55-59

6978

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9098

Males

6517

M55-59

6517

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7963

Males

5897

M55-59

5897

Passing Analysis

Category:
Athletes Passed
3357
Passed By
734
Net Change
+2623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15534
5K → 10K468176+292#15534#15242
10K → 15K334100+234#15242#15008
15K → 20K238178+60#15008#14948
20K → Half3154-23#14948#14971
Half → 25K25880+178#14971#14793
25K → 30K46962+407#14793#14386
30K → 20M29110+281#14386#14105
20M → 21M2807+273#14105#13832
21M → 35K10016+84#13832#13748
35K → 23M29211+281#13748#13467
23M → 24M14718+129#13467#13338
24M → 40K15611+145#13338#13193
40K → 25.2M787+71#13193#13122
25.2M → Finish2154+211#13122#12911
TOTALS3357734+2623
📊

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