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BOSTON MARATHON 2023

David Zeeb

OH

Bib: 5421 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:40/mi
20:44
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:32/mi
41:02
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:38/mi
1:01:37
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:40/mi
1:22:21
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:40/mi
1:26:54
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:43/mi
1:43:10
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:48/mi
2:04:19
↑ 181↓ 1480.2%
138 ft elev
20M
6:41/mi
2:13:24
↑ 64↓ 500.2%
148 ft elev
21M
6:50/mi
2:20:14
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:37/mi
2:25:11
↑ 17↓ 861.7%
156 ft elev
23M
6:51/mi
2:33:45
↑ 23↓ 630.6%
116 ft elev
24M
6:26/mi
2:40:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:32/mi
2:45:46
↓ 200.3%
20 ft elev
25.2M
6:55/mi
2:48:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:02/mi
2:54:18
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:26:54
Pace6:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:24
Pace6:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3820:446:4020:44
6:40
-
10K
6.21 mi10:43:5641:026:3620:18
6:32
-0:08
15K
9.32 mi11:04:311:01:376:3720:35
6:38
+0:06
20K
12.43 mi11:25:151:22:216:3820:44
6:40
+0:02
Half
13.11 mi11:29:481:26:546:384:33
6:40
0:00
25K
15.53 mi11:46:041:43:106:3816:16
6:43
+0:03
30K
18.64 mi12:07:132:04:196:4021:09
6:48
+0:05
20M
20.00 mi12:16:182:13:246:409:05
6:41
-0:07
21M
21.00 mi12:23:082:20:146:416:50
6:50
+0:09
35K
21.75 mi12:28:052:25:116:414:57
6:37
-0:13
23M
23.00 mi12:36:392:33:456:418:34
6:51
+0:14
24M
24.00 mi12:43:052:40:116:406:26
6:26
-0:25
40K
24.85 mi12:48:402:45:466:405:35
6:32
+0:06
25.2M
25.20 mi12:51:032:48:096:402:23
6:55
+0:23
Finish
26.22 mi12:57:122:54:186:396:09
6:02
-0:53

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

6:02 /mi

Average Pace

6:39 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:00

37% of race

Time at Steady Pace

1:50:18

63% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:23:3820:446:4020:44
6:40
#3409
10K
6.21 mi10:43:5641:026:3620:18
6:32
#3181
15K
9.32 mi11:04:311:01:376:3720:35
6:38
#3269
20K
12.43 mi11:25:151:22:216:3820:44
6:40
#3263
Half
13.11 mi11:29:481:26:546:384:33
6:40
#3299
25K
15.53 mi11:46:041:43:106:3816:16
6:43
#3288
30K
18.64 mi12:07:132:04:196:4021:09
6:48
#3188
20M
20.00 mi12:16:182:13:246:409:05
6:41
#3066
21M
21.00 mi12:23:082:20:146:416:50
6:50
#2936
35K
21.75 mi12:28:052:25:116:414:57
6:37
#2918
23M
23.00 mi12:36:392:33:456:418:34
6:51
#2876
24M
24.00 mi12:43:052:40:116:406:26
6:26
#2805
40K
24.85 mi12:48:402:45:466:405:35
6:32
#2712
25.2M
25.20 mi12:51:032:48:096:402:23
6:55
#2673
Finish
26.22 mi12:57:122:54:186:396:09
6:02
#2539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3409321232123484(Top 13%)3298(Top 22%)3298(Top 62%)
10K6.21 mi3.10 mi3181+2283019+1933019+1932987(Top 11%)2851(Top 19%)2851(Top 54%)
15K9.32 mi3.11 mi3269-883107-883107-883484(Top 13%)3298(Top 22%)3298(Top 62%)
20K12.43 mi3.11 mi3263+63103+43103+43344(Top 13%)3172(Top 21%)3172(Top 60%)
Half13.11 mi0.68 mi3299-363137-343137-343947(Top 15%)3699(Top 24%)3699(Top 70%)
25K15.53 mi2.42 mi3288+113131+63131+63394(Top 13%)3215(Top 21%)3215(Top 61%)
30K18.64 mi3.11 mi3188+1003035+963035+963022(Top 11%)2855(Top 19%)2855(Top 54%)
20M20.00 mi1.36 mi3066+1222920+1152920+1152215(Top 8%)2107(Top 14%)2107(Top 40%)
21M21.00 mi1.00 mi2936+1302801+1192801+1191537(Top 6%)1466(Top 10%)1466(Top 28%)
35K21.75 mi0.75 mi2918+182781+202781+203047(Top 11%)2849(Top 19%)2849(Top 54%)
23M23.00 mi1.25 mi2876+422736+452736+452878(Top 11%)2688(Top 18%)2688(Top 51%)
24M24.00 mi1.00 mi2805+712668+682668+681823(Top 7%)1719(Top 11%)1719(Top 33%)
40K24.85 mi0.85 mi2712+932584+842584+841661(Top 6%)1564(Top 10%)1564(Top 30%)
25.2M25.20 mi0.35 mi2673+392548+362548+361493(Top 6%)1410(Top 9%)1410(Top 27%)
Finish26.22 mi1.02 mi2539+1342422+1262422+126832(Top 3%)798(Top 5%)798(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3484

Males

3298

M18-39

3298

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2987

Males

2851

M18-39

2851

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3484

Males

3298

M18-39

3298

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3344

Males

3172

M18-39

3172

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

3947

Males

3699

M18-39

3699

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3394

Males

3215

M18-39

3215

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3022

Males

2855

M18-39

2855

30K→20M

18.6 - 20.0 mi

Top 8%
×5story building
+64ft-50ft

Overall

2215

Males

2107

M18-39

2107

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1537

Males

1466

M18-39

1466

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3047

Males

2849

M18-39

2849

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2878

Males

2688

M18-39

2688

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1823

Males

1719

M18-39

1719

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1661

Males

1564

M18-39

1564

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1493

Males

1410

M18-39

1410

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

832

Males

798

M18-39

798

Passing Analysis

Category:
Athletes Passed
1400
Passed By
530
Net Change
+870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3409
5K → 10K29769+228#3409#3181
10K → 15K61149-88#3181#3269
15K → 20K9185+6#3269#3263
20K → Half945-36#3263#3299
Half → 25K7362+11#3299#3288
25K → 30K14242+100#3288#3188
30K → 20M1275+122#3188#3066
20M → 21M1333+130#3066#2936
21M → 35K3921+18#2936#2918
35K → 23M7432+42#2918#2876
23M → 24M8211+71#2876#2805
24M → 40K963+93#2805#2712
40K → 25.2M423+39#2712#2673
25.2M → Finish1340+134#2673#2539
TOTALS1400530+870
📊

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