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BOSTON MARATHON 2023

David Thompson

Bib: 2681•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:17
Rank: #2416
Start → 5K
6:32/mi
20:17 split
10K· 6.21 mi
40:55
Rank: #3034 (-618)
5K → 10K
6:38/mi
20:38 split
15K· 9.32 mi
1:00:55
Rank: #2729 (+305)
10K → 15K
6:26/mi
20:00 split
20K· 12.43 mi
1:21:15
Rank: #2656 (+73)
15K → 20K
6:33/mi
20:20 split
Half· 13.11 mi
1:25:28
Rank: #2576 (+80)
20K → Half
6:11/mi
4:13 split
25K· 15.53 mi
1:40:56
Rank: #2403 (+173)
Half → 25K
6:23/mi
15:28 split
30K· 18.64 mi
2:00:51
Rank: #2134 (+269)
25K → 30K
6:25/mi
19:55 split
20M
2:09:32
Rank: #2025 (+109)
30K → 20M
6:23/mi
8:41 split
21M
2:16:14
Rank: #1950 (+75)
20M → 21M
6:42/mi
6:42 split
35K· 21.75 mi
2:21:04
Rank: #1938 (+12)
21M → 35K
6:28/mi
4:50 split
23M
2:29:36
Rank: #1958 (-20)
35K → 23M
6:49/mi
8:32 split
24M
2:36:31
Rank: #2028 (-70)
23M → 24M
6:55/mi
6:55 split
40K· 24.85 mi
2:42:33
Rank: #2078 (-50)
24M → 40K
7:03/mi
6:02 split
25.2M
2:45:11
Rank: #2100 (-22)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
2:52:20
Rank: #2164 (-64)
25.2M → Finish
7:01/mi
7:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:28
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:26:52
Pace6:38 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5920:176:3220:17
6:32
-
10K
6.21 mi10:41:3740:556:3520:38
6:38
+0:06
15K
9.32 mi11:01:371:00:556:3220:00
6:26
-0:12
20K
12.43 mi11:21:571:21:156:3220:20
6:33
+0:07
Half
13.11 mi11:26:101:25:286:314:13
6:11
-0:22
25K
15.53 mi11:41:381:40:566:3015:28
6:23
+0:12
30K
18.64 mi12:01:332:00:516:2919:55
6:25
+0:02
20M
20.00 mi12:10:142:09:326:298:41
6:23
-0:02
21M
21.00 mi12:16:562:16:146:296:42
6:42
+0:19
35K
21.75 mi12:21:462:21:046:294:50
6:28
-0:14
23M
23.00 mi12:30:182:29:366:308:32
6:49
+0:21
24M
24.00 mi12:37:132:36:316:316:55
6:55
+0:06
40K
24.85 mi12:43:152:42:336:326:02
7:03
+0:08
25.2M
25.20 mi12:45:532:45:116:332:38
7:38
+0:35
Finish
26.22 mi12:53:022:52:206:357:09
7:01
-0:37

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

6:11 /mi

Average Pace

6:35 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:13

2% of race

Time at Steady Pace

2:16:51

79% of race

Time at Slower Pace

31:16

18% of race

Average Pace: 6:34 /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 mi10:20:5920:176:3220:17
6:32
#2416
10K
6.21 mi10:41:3740:556:3520:38
6:38
#3034
15K
9.32 mi11:01:371:00:556:3220:00
6:26
#2729
20K
12.43 mi11:21:571:21:156:3220:20
6:33
#2656
Half
13.11 mi11:26:101:25:286:314:13
6:11
#2576
25K
15.53 mi11:41:381:40:566:3015:28
6:23
#2403
30K
18.64 mi12:01:332:00:516:2919:55
6:25
#2134
20M
20.00 mi12:10:142:09:326:298:41
6:23
#2025
21M
21.00 mi12:16:562:16:146:296:42
6:42
#1950
35K
21.75 mi12:21:462:21:046:294:50
6:28
#1938
23M
23.00 mi12:30:182:29:366:308:32
6:49
#1958
24M
24.00 mi12:37:132:36:316:316:55
6:55
#2028
40K
24.85 mi12:43:152:42:336:326:02
7:03
#2078
25.2M
25.20 mi12:45:532:45:116:332:38
7:38
#2100
Finish
26.22 mi12:53:022:52:206:357:09
7:01
#2164
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2416230323032294(Top 9%)2202(Top 15%)2202(Top 42%)
10K6.21 mi3.10 mi3034-6182889-5862889-5863784(Top 14%)3568(Top 24%)3568(Top 68%)
15K9.32 mi3.11 mi2729+3052605+2842605+2842294(Top 9%)2202(Top 15%)2202(Top 42%)
20K12.43 mi3.11 mi2656+732537+682537+682537(Top 10%)2429(Top 16%)2429(Top 46%)
Half13.11 mi0.68 mi2576+802466+712466+711320(Top 5%)1268(Top 8%)1268(Top 24%)
25K15.53 mi2.42 mi2403+1732303+1632303+1631646(Top 6%)1576(Top 10%)1576(Top 30%)
30K18.64 mi3.11 mi2134+2692047+2562047+2561247(Top 5%)1191(Top 8%)1191(Top 23%)
20M20.00 mi1.36 mi2025+1091941+1061941+1061124(Top 4%)1078(Top 7%)1078(Top 20%)
21M21.00 mi1.00 mi1950+751866+751866+751112(Top 4%)1058(Top 7%)1058(Top 20%)
35K21.75 mi0.75 mi1938+121856+101856+102219(Top 8%)2106(Top 14%)2106(Top 40%)
23M23.00 mi1.25 mi1958-201877-211877-212720(Top 10%)2546(Top 17%)2546(Top 48%)
24M24.00 mi1.00 mi2028-701944-671944-674218(Top 16%)3830(Top 25%)3830(Top 72%)
40K24.85 mi0.85 mi2078-501993-491993-494095(Top 15%)3656(Top 24%)3656(Top 69%)
25.2M25.20 mi0.35 mi2100-222014-212014-214458(Top 17%)3871(Top 26%)3871(Top 73%)
Finish26.22 mi1.02 mi2164-642075-612075-615267(Top 20%)4447(Top 29%)4447(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2294

Males

2202

M18-39

2202

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3784

Males

3568

M18-39

3568

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2294

Males

2202

M18-39

2202

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2537

Males

2429

M18-39

2429

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1320

Males

1268

M18-39

1268

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1646

Males

1576

M18-39

1576

25K→30K

15.5 - 18.6 mi

Top 5%
×9story building
+181ft-148ft

Overall

1247

Males

1191

M18-39

1191

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1124

Males

1078

M18-39

1078

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1112

Males

1058

M18-39

1058

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2219

Males

2106

M18-39

2106

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2720

Males

2546

M18-39

2546

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4218

Males

3830

M18-39

3830

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4095

Males

3656

M18-39

3656

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4458

Males

3871

M18-39

3871

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5267

Males

4447

M18-39

4447

Passing Analysis

Category:
Athletes Passed
1259
Passed By
1007
Net Change
+252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2416
5K → 10K14632-618#2416#3034
10K → 15K31510+305#3034#2729
15K → 20K11441+73#2729#2656
20K → Half800+80#2656#2576
Half → 25K1785+173#2576#2403
25K → 30K2712+269#2403#2134
30K → 20M1112+109#2134#2025
20M → 21M827+75#2025#1950
21M → 35K2311+12#1950#1938
35K → 23M3050-20#1938#1958
23M → 24M878-70#1958#2028
24M → 40K1262-50#2028#2078
40K → 25.2M1032-22#2078#2100
25.2M → Finish1175-64#2100#2164
TOTALS12591007+252
📊

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