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BOSTON MARATHON 2023

Koltin Hammer

Bib: 1102•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 4%
Division (M18-39)
#0 / 5285
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:32
Rank: #625
Start → 5K
18:32 | 5:58/mi
10K· 6.21 mi
36:37
Rank: #546 (+79)
5K → 10K
18:05 | 5:49/mi
15K· 9.32 mi
54:54
Rank: #529 (+17)
10K → 15K
18:17 | 5:53/mi
20K· 12.43 mi
1:13:49
Rank: #560 (-31)
15K → 20K
18:55 | 6:05/mi
Half· 13.11 mi
1:17:51
Rank: #556 (+4)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:32:19
Rank: #540 (+16)
Half → 25K
14:28 | 5:58/mi
30K· 18.64 mi
1:51:34
Rank: #549 (-9)
25K → 30K
19:15 | 6:12/mi
20M
2:00:07
Rank: #558 (-9)
30K → 20M
8:33 | 6:18/mi
21M
2:06:49
Rank: #576 (-18)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:11:24
Rank: #580 (-4)
21M → 35K
4:35 | 6:08/mi
23M
2:19:26
Rank: #601 (-21)
35K → 23M
8:02 | 6:25/mi
24M
2:25:30
Rank: #599 (+2)
23M → 24M
6:04 | 6:04/mi
40K· 24.85 mi
2:30:52
Rank: #597 (+2)
24M → 40K
5:22 | 6:17/mi
25.2M
2:33:09
Rank: #595 (+2)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:39:07
Rank: #584 (+11)
25.2M → Finish
5:58 | 5:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:51
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:21:16
Pace6:12 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5918:325:5818:32
5:58
-
10K
6.21 mi10:37:0436:375:5418:05
5:49
-0:09
15K
9.32 mi10:55:2154:545:5318:17
5:53
+0:04
20K
12.43 mi11:14:161:13:495:5618:55
6:05
+0:12
Half
13.11 mi11:18:181:17:515:564:02
5:55
-0:10
25K
15.53 mi11:32:461:32:195:5714:28
5:58
+0:03
30K
18.64 mi11:52:011:51:345:5919:15
6:12
+0:14
20M
20.00 mi12:00:342:00:076:008:33
6:18
+0:06
21M
21.00 mi12:07:162:06:496:026:42
6:42
+0:24
35K
21.75 mi12:11:512:11:246:034:35
6:08
-0:34
23M
23.00 mi12:19:532:19:266:048:02
6:25
+0:17
24M
24.00 mi12:25:572:25:306:046:04
6:04
-0:21
40K
24.85 mi12:31:192:30:526:045:22
6:17
+0:13
25.2M
25.20 mi12:33:362:33:096:052:17
6:37
+0:20
Finish
26.22 mi12:39:342:39:076:045:58
5:51
-0:46

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

5:49 /mi

Average Pace

6:04 /mi

Slowest Pace

6:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:06

89% of race

Time at Steady Pace

17:01

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /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 mi10:18:5918:325:5818:32
5:58
#625
10K
6.21 mi10:37:0436:375:5418:05
5:49
#546
15K
9.32 mi10:55:2154:545:5318:17
5:53
#529
20K
12.43 mi11:14:161:13:495:5618:55
6:05
#560
Half
13.11 mi11:18:181:17:515:564:02
5:55
#556
25K
15.53 mi11:32:461:32:195:5714:28
5:58
#540
30K
18.64 mi11:52:011:51:345:5919:15
6:12
#549
20M
20.00 mi12:00:342:00:076:008:33
6:18
#558
21M
21.00 mi12:07:162:06:496:026:42
6:42
#576
35K
21.75 mi12:11:512:11:246:034:35
6:08
#580
23M
23.00 mi12:19:532:19:266:048:02
6:25
#601
24M
24.00 mi12:25:572:25:306:046:04
6:04
#599
40K
24.85 mi12:31:192:30:526:045:22
6:17
#597
25.2M
25.20 mi12:33:362:33:096:052:17
6:37
#595
Finish
26.22 mi12:39:342:39:076:045:58
5:51
#584
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi625581581481(Top 2%)445(Top 3%)445(Top 8%)
10K6.21 mi3.10 mi546+79504+77504+77456(Top 2%)421(Top 3%)421(Top 8%)
15K9.32 mi3.11 mi529+17487+17487+17481(Top 2%)445(Top 3%)445(Top 8%)
20K12.43 mi3.11 mi560-31518-31518-31752(Top 3%)709(Top 5%)709(Top 13%)
Half13.11 mi0.68 mi556+4514+4514+4567(Top 2%)529(Top 3%)529(Top 10%)
25K15.53 mi2.42 mi540+16500+14500+14497(Top 2%)460(Top 3%)460(Top 9%)
30K18.64 mi3.11 mi549-9509-9509-9672(Top 3%)635(Top 4%)635(Top 12%)
20M20.00 mi1.36 mi558-9518-9518-9842(Top 3%)801(Top 5%)801(Top 15%)
21M21.00 mi1.00 mi576-18536-18536-181074(Top 4%)1020(Top 7%)1020(Top 19%)
35K21.75 mi0.75 mi580-4540-4540-4987(Top 4%)937(Top 6%)937(Top 18%)
23M23.00 mi1.25 mi601-21561-21561-211130(Top 4%)1066(Top 7%)1066(Top 20%)
24M24.00 mi1.00 mi599+2559+2559+2679(Top 3%)642(Top 4%)642(Top 12%)
40K24.85 mi0.85 mi597+2557+2557+2821(Top 3%)777(Top 5%)777(Top 15%)
25.2M25.20 mi0.35 mi595+2555+2555+2681(Top 3%)646(Top 4%)646(Top 12%)
Finish26.22 mi1.02 mi584+11545+10545+10457(Top 2%)434(Top 3%)434(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

481

Males

445

M18-39

445

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

456

Males

421

M18-39

421

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

481

Males

445

M18-39

445

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

752

Males

709

M18-39

709

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

567

Males

529

M18-39

529

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

497

Males

460

M18-39

460

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

672

Males

635

M18-39

635

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

842

Males

801

M18-39

801

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1074

Males

1020

M18-39

1020

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

987

Males

937

M18-39

937

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1130

Males

1066

M18-39

1066

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

679

Males

642

M18-39

642

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

821

Males

777

M18-39

777

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

681

Males

646

M18-39

646

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

457

Males

434

M18-39

434

Passing Analysis

Category:
Athletes Passed
216
Passed By
175
Net Change
+41
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#625
5K → 10K834+79#625#546
10K → 15K269+17#546#529
15K → 20K1041-31#529#560
20K → Half40+4#560#556
Half → 25K215+16#556#540
25K → 30K1221-9#540#549
30K → 20M615-9#549#558
20M → 21M523-18#558#576
21M → 35K59-4#576#580
35K → 23M829-21#580#601
23M → 24M75+2#601#599
24M → 40K108+2#599#597
40K → 25.2M53+2#597#595
25.2M → Finish143+11#595#584
TOTALS216175+41
📊

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