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BOSTON MARATHON 2023

Donald Small

Bib: 16328•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:57
Rank: #14234
Start → 5K
8:02/mi
24:57 split
10K· 6.21 mi
49:51
Rank: #14536 (-302)
5K → 10K
8:01/mi
24:54 split
15K· 9.32 mi
1:15:18
Rank: #14976 (-440)
10K → 15K
8:11/mi
25:27 split
20K· 12.43 mi
1:42:11
Rank: #15726 (-750)
15K → 20K
8:39/mi
26:53 split
Half· 13.11 mi
1:48:08
Rank: #15903 (-177)
20K → Half
8:43/mi
5:57 split
25K· 15.53 mi
2:10:33
Rank: #16756 (-853)
Half → 25K
9:15/mi
22:25 split
30K· 18.64 mi
2:41:19
Rank: #17677 (-921)
25K → 30K
9:54/mi
30:46 split
20M
2:54:31
Rank: #17882 (-205)
30K → 20M
9:43/mi
13:12 split
21M
3:05:06
Rank: #18047 (-165)
20M → 21M
10:35/mi
10:35 split
35K· 21.75 mi
3:12:11
Rank: #18149 (-102)
21M → 35K
9:28/mi
7:05 split
23M
3:25:17
Rank: #18443 (-294)
35K → 23M
10:28/mi
13:06 split
24M
3:35:41
Rank: #18687 (-244)
23M → 24M
10:24/mi
10:24 split
40K· 24.85 mi
3:45:34
Rank: #19021 (-334)
24M → 40K
11:34/mi
9:53 split
25.2M
3:49:51
Rank: #19151 (-130)
40K → 25.2M
12:25/mi
4:17 split
Finish· 26.22 mi
4:00:21
Rank: #19374 (-223)
25.2M → Finish
10:18/mi
10:30 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:08
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:12:13
Pace10:05 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0924:578:0224:57
8:02
-
10K
6.21 mi11:46:0349:518:0124:54
8:01
-0:01
15K
9.32 mi12:11:301:15:188:0525:27
8:11
+0:10
20K
12.43 mi12:38:231:42:118:1326:53
8:39
+0:28
Half
13.11 mi12:44:201:48:088:155:57
8:43
+0:04
25K
15.53 mi13:06:452:10:338:2422:25
9:15
+0:32
30K
18.64 mi13:37:312:41:198:3930:46
9:54
+0:39
20M
20.00 mi13:50:432:54:318:4413:12
9:43
-0:11
21M
21.00 mi14:01:183:05:068:4910:35
10:35
+0:52
35K
21.75 mi14:08:233:12:118:507:05
9:28
-1:07
23M
23.00 mi14:21:293:25:178:5613:06
10:28
+1:00
24M
24.00 mi14:31:533:35:418:5910:24
10:24
-0:04
40K
24.85 mi14:41:463:45:349:059:53
11:34
+1:10
25.2M
25.20 mi14:46:033:49:519:074:17
12:25
+0:51
Finish
26.22 mi14:56:334:00:219:1010:30
10:18
-2:07

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

8:01 /mi

Average Pace

9:10 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:08

45% of race

Time at Steady Pace

1:23:58

35% of race

Time at Slower Pace

48:15

20% of race

Average Pace: 9:10 /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 mi11:21:0924:578:0224:57
8:02
#14234
10K
6.21 mi11:46:0349:518:0124:54
8:01
#14536
15K
9.32 mi12:11:301:15:188:0525:27
8:11
#14976
20K
12.43 mi12:38:231:42:118:1326:53
8:39
#15726
Half
13.11 mi12:44:201:48:088:155:57
8:43
#15903
25K
15.53 mi13:06:452:10:338:2422:25
9:15
#16756
30K
18.64 mi13:37:312:41:198:3930:46
9:54
#17677
20M
20.00 mi13:50:432:54:318:4413:12
9:43
#17882
21M
21.00 mi14:01:183:05:068:4910:35
10:35
#18047
35K
21.75 mi14:08:233:12:118:507:05
9:28
#18149
23M
23.00 mi14:21:293:25:178:5613:06
10:28
#18443
24M
24.00 mi14:31:533:35:418:5910:24
10:24
#18687
40K
24.85 mi14:41:463:45:349:059:53
11:34
#19021
25.2M
25.20 mi14:46:033:49:519:074:17
12:25
#19151
Finish
26.22 mi14:56:334:00:219:1010:30
10:18
#19374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14234100511005115801(Top 59%)10619(Top 70%)10619(Top 747%)
10K6.21 mi3.10 mi14536-30210154-10310154-10314909(Top 56%)10278(Top 68%)10278(Top 723%)
15K9.32 mi3.11 mi14976-44010310-15610310-15615801(Top 59%)10619(Top 70%)10619(Top 747%)
20K12.43 mi3.11 mi15726-75010576-26610576-26617821(Top 67%)11395(Top 75%)11395(Top 801%)
Half13.11 mi0.68 mi15903-17710638-6210638-6219036(Top 72%)11912(Top 78%)11912(Top 838%)
25K15.53 mi2.42 mi16756-85310932-29410932-29420001(Top 75%)12288(Top 81%)12288(Top 864%)
30K18.64 mi3.11 mi17677-92111293-36111293-36120751(Top 78%)12531(Top 83%)12531(Top 881%)
20M20.00 mi1.36 mi17882-20511349-5611349-5619587(Top 74%)11939(Top 79%)11939(Top 840%)
21M21.00 mi1.00 mi18047-16511408-5911408-5919838(Top 75%)11978(Top 79%)11978(Top 842%)
35K21.75 mi0.75 mi18149-10211436-2811436-2819731(Top 74%)11937(Top 79%)11937(Top 839%)
23M23.00 mi1.25 mi18443-29411550-11411550-11421214(Top 80%)12555(Top 83%)12555(Top 883%)
24M24.00 mi1.00 mi18687-24411648-9811648-9821784(Top 82%)12761(Top 84%)12761(Top 897%)
40K24.85 mi0.85 mi19021-33411789-14111789-14123289(Top 87%)13445(Top 89%)13445(Top 945%)
25.2M25.20 mi0.35 mi19151-13011842-5311842-5323133(Top 87%)13373(Top 88%)13373(Top 940%)
Finish26.22 mi1.02 mi19374-22311934-9211934-9222548(Top 85%)13107(Top 86%)13107(Top 922%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15801

Males

10619

M55-59

10619

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14909

Males

10278

M55-59

10278

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15801

Males

10619

M55-59

10619

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17821

Males

11395

M55-59

11395

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19036

Males

11912

M55-59

11912

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20001

Males

12288

M55-59

12288

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

20751

Males

12531

M55-59

12531

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19587

Males

11939

M55-59

11939

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19838

Males

11978

M55-59

11978

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19731

Males

11937

M55-59

11937

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21214

Males

12555

M55-59

12555

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21784

Males

12761

M55-59

12761

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23289

Males

13445

M55-59

13445

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23133

Males

13373

M55-59

13373

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22548

Males

13107

M55-59

13107

Passing Analysis

Category:
Athletes Passed
511
Passed By
5651
Net Change
-5140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14234
5K → 10K168470-302#14234#14536
10K → 15K67507-440#14536#14976
15K → 20K43793-750#14976#15726
20K → Half5182-177#15726#15903
Half → 25K23876-853#15903#16756
25K → 30K35956-921#16756#17677
30K → 20M43248-205#17677#17882
20M → 21M44209-165#17882#18047
21M → 35K23125-102#18047#18149
35K → 23M25319-294#18149#18443
23M → 24M12256-244#18443#18687
24M → 40K8342-334#18687#19021
40K → 25.2M7137-130#19021#19151
25.2M → Finish8231-223#19151#19374
TOTALS5115651-5140
📊

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