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BOSTON MARATHON 2023

Donald Bird

Bib: 1308•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:35
Rank: #659
Start → 5K
5:59/mi
18:35 split
10K· 6.21 mi
36:58
Rank: #632 (+27)
5K → 10K
5:55/mi
18:23 split
15K· 9.32 mi
55:25
Rank: #613 (+19)
10K → 15K
5:56/mi
18:27 split
20K· 12.43 mi
1:14:33
Rank: #667 (-54)
15K → 20K
6:10/mi
19:08 split
Half· 13.11 mi
1:18:48
Rank: #687 (-20)
20K → Half
6:14/mi
4:15 split
25K· 15.53 mi
1:34:23
Rank: #796 (-109)
Half → 25K
6:26/mi
15:35 split
30K· 18.64 mi
1:54:54
Rank: #927 (-131)
25K → 30K
6:36/mi
20:31 split
20M
2:04:05
Rank: #988 (-61)
30K → 20M
6:45/mi
9:11 split
21M
2:10:59
Rank: #1001 (-13)
20M → 21M
6:54/mi
6:54 split
35K· 21.75 mi
2:15:44
Rank: #1012 (-11)
21M → 35K
6:21/mi
4:45 split
23M
2:23:49
Rank: #1006 (+6)
35K → 23M
6:27/mi
8:05 split
24M
2:29:58
Rank: #983 (+23)
23M → 24M
6:09/mi
6:09 split
40K· 24.85 mi
2:35:29
Rank: #978 (+5)
24M → 40K
6:27/mi
5:31 split
25.2M
2:37:53
Rank: #989 (-11)
40K → 25.2M
6:58/mi
2:24 split
Finish· 26.22 mi
2:44:09
Rank: #981 (+8)
25.2M → Finish
6:09/mi
6:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:48
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:25:21
Pace6:31 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4918:355:5918:35
5:59
-
10K
6.21 mi10:37:1236:585:5718:23
5:55
-0:04
15K
9.32 mi10:55:3955:255:5718:27
5:56
+0:01
20K
12.43 mi11:14:471:14:336:0019:08
6:10
+0:14
Half
13.11 mi11:19:021:18:486:014:15
6:14
+0:04
25K
15.53 mi11:34:371:34:236:0515:35
6:26
+0:12
30K
18.64 mi11:55:081:54:546:1020:31
6:36
+0:10
20M
20.00 mi12:04:192:04:056:129:11
6:45
+0:09
21M
21.00 mi12:11:132:10:596:146:54
6:54
+0:09
35K
21.75 mi12:15:582:15:446:144:45
6:21
-0:33
23M
23.00 mi12:24:032:23:496:158:05
6:27
+0:06
24M
24.00 mi12:30:122:29:586:156:09
6:09
-0:18
40K
24.85 mi12:35:432:35:296:155:31
6:27
+0:18
25.2M
25.20 mi12:38:072:37:536:162:24
6:58
+0:31
Finish
26.22 mi12:44:232:44:096:166:16
6:09
-0:49

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

5:55 /mi

Average Pace

6:16 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:09

76% of race

Time at Steady Pace

39:00

24% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:16 /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 mi10:18:4918:355:5918:35
5:59
#659
10K
6.21 mi10:37:1236:585:5718:23
5:55
#632
15K
9.32 mi10:55:3955:255:5718:27
5:56
#613
20K
12.43 mi11:14:471:14:336:0019:08
6:10
#667
Half
13.11 mi11:19:021:18:486:014:15
6:14
#687
25K
15.53 mi11:34:371:34:236:0515:35
6:26
#796
30K
18.64 mi11:55:081:54:546:1020:31
6:36
#927
20M
20.00 mi12:04:192:04:056:129:11
6:45
#988
21M
21.00 mi12:11:132:10:596:146:54
6:54
#1001
35K
21.75 mi12:15:582:15:446:144:45
6:21
#1012
23M
23.00 mi12:24:032:23:496:158:05
6:27
#1006
24M
24.00 mi12:30:122:29:586:156:09
6:09
#983
40K
24.85 mi12:35:432:35:296:155:31
6:27
#978
25.2M
25.20 mi12:38:072:37:536:162:24
6:58
#989
Finish
26.22 mi12:44:232:44:096:166:16
6:09
#981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi659615615585(Top 2%)542(Top 4%)542(Top 10%)
10K6.21 mi3.10 mi632+27588+27588+27623(Top 2%)580(Top 4%)580(Top 11%)
15K9.32 mi3.11 mi613+19570+18570+18585(Top 2%)542(Top 4%)542(Top 10%)
20K12.43 mi3.11 mi667-54624-54624-54929(Top 3%)882(Top 6%)882(Top 17%)
Half13.11 mi0.68 mi687-20644-20644-201449(Top 5%)1385(Top 9%)1385(Top 26%)
25K15.53 mi2.42 mi796-109751-107751-1071817(Top 7%)1740(Top 11%)1740(Top 33%)
30K18.64 mi3.11 mi927-131879-128879-1281953(Top 7%)1866(Top 12%)1866(Top 35%)
20M20.00 mi1.36 mi988-61938-59938-592537(Top 10%)2404(Top 16%)2404(Top 45%)
21M21.00 mi1.00 mi1001-13951-13951-131740(Top 7%)1653(Top 11%)1653(Top 31%)
35K21.75 mi0.75 mi1012-11962-11962-111712(Top 6%)1625(Top 11%)1625(Top 31%)
23M23.00 mi1.25 mi1006+6957+5957+51274(Top 5%)1205(Top 8%)1205(Top 23%)
24M24.00 mi1.00 mi983+23934+23934+23873(Top 3%)828(Top 5%)828(Top 16%)
40K24.85 mi0.85 mi978+5929+5929+51363(Top 5%)1286(Top 8%)1286(Top 24%)
25.2M25.20 mi0.35 mi989-11940-11940-111580(Top 6%)1486(Top 10%)1486(Top 28%)
Finish26.22 mi1.02 mi981+8933+7933+71121(Top 4%)1067(Top 7%)1067(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

585

Males

542

M18-39

542

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

623

Males

580

M18-39

580

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

585

Males

542

M18-39

542

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

929

Males

882

M18-39

882

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1449

Males

1385

M18-39

1385

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1817

Males

1740

M18-39

1740

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1953

Males

1866

M18-39

1866

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2537

Males

2404

M18-39

2404

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1740

Males

1653

M18-39

1653

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1712

Males

1625

M18-39

1625

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1274

Males

1205

M18-39

1205

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

873

Males

828

M18-39

828

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1363

Males

1286

M18-39

1286

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1580

Males

1486

M18-39

1486

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1121

Males

1067

M18-39

1067

Passing Analysis

Category:
Athletes Passed
199
Passed By
521
Net Change
-322
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#659
5K → 10K4518+27#659#632
10K → 15K3011+19#632#613
15K → 20K559-54#613#667
20K → Half020-20#667#687
Half → 25K7116-109#687#796
25K → 30K5136-131#796#927
30K → 20M364-61#927#988
20M → 21M1629-13#988#1001
21M → 35K617-11#1001#1012
35K → 23M1812+6#1012#1006
23M → 24M274+23#1006#983
24M → 40K149+5#983#978
40K → 25.2M213-11#978#989
25.2M → Finish2113+8#989#981
TOTALS199521-322
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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