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BOSTON MARATHON 2023

Don Didonato

Bib: 21197•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:32/mi
26:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:23/mi
52:32
↑ 79↓ 1380.4%
15K· 9.32 mi
8:48/mi
1:19:52
↑ 67↓ 78
20K· 12.43 mi
9:03/mi
1:47:59
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
1:54:17
↑ 19↓ 370.5%
25K· 15.53 mi
9:53/mi
2:18:15
↑ 66↓ 880.2%
30K· 18.64 mi
10:37/mi
2:51:14
↑ 181↓ 1480.2%
20M
11:22/mi
3:06:41
↑ 64↓ 500.2%
21M
12:02/mi
3:18:43
↑ 106↓ 241.6%
35K· 21.75 mi
11:26/mi
3:27:16
↑ 17↓ 861.7%
23M
12:05/mi
3:42:24
↑ 23↓ 630.6%
24M
10:28/mi
3:52:52
↓ 821.3%
40K· 24.85 mi
11:58/mi
4:03:06
↓ 200.3%
25.2M
14:01/mi
4:07:56
↑ 13↓ 160.2%
Finish· 26.22 mi
10:38/mi
4:18:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:17
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:24:29
Pace11:01 /mi
📊Positive Split: 26.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3526:308:3226:30
8:32
-
10K
6.21 mi11:45:3752:328:2726:02
8:23
-0:09
15K
9.32 mi12:12:571:19:528:3427:20
8:48
+0:25
20K
12.43 mi12:41:041:47:598:4128:07
9:03
+0:15
Half
13.11 mi12:47:221:54:178:436:18
9:14
+0:11
25K
15.53 mi13:11:202:18:158:5423:58
9:53
+0:39
30K
18.64 mi13:44:192:51:149:1132:59
10:37
+0:44
20M
20.00 mi13:59:463:06:419:2015:27
11:22
+0:45
21M
21.00 mi14:11:483:18:439:2812:02
12:02
+0:40
35K
21.75 mi14:20:213:27:169:328:33
11:26
-0:36
23M
23.00 mi14:35:293:42:249:4015:08
12:05
+0:39
24M
24.00 mi14:45:573:52:529:4210:28
10:28
-1:37
40K
24.85 mi14:56:114:03:069:4710:14
11:58
+1:30
25.2M
25.20 mi15:01:014:07:569:504:50
14:01
+2:03
Finish
26.22 mi15:11:514:18:469:5310:50
10:38
-3:23

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

8:23 /mi

Average Pace

9:53 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:17

44% of race

Time at Steady Pace

1:33:42

36% of race

Time at Slower Pace

50:47

20% of race

Average Pace: 9:52 /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 mi11:19:3526:308:3226:30
8:32
#17756
10K
6.21 mi11:45:3752:328:2726:02
8:23
#17584
15K
9.32 mi12:12:571:19:528:3427:20
8:48
#18289
20K
12.43 mi12:41:041:47:598:4128:07
9:03
#18734
Half
13.11 mi12:47:221:54:178:436:18
9:14
#18893
25K
15.53 mi13:11:202:18:158:5423:58
9:53
#19618
30K
18.64 mi13:44:192:51:149:1132:59
10:37
#20400
20M
20.00 mi13:59:463:06:419:2015:27
11:22
#20719
21M
21.00 mi14:11:483:18:439:2812:02
12:02
#20895
35K
21.75 mi14:20:213:27:169:328:33
11:26
#21076
23M
23.00 mi14:35:293:42:249:4015:08
12:05
#21353
24M
24.00 mi14:45:573:52:529:4210:28
10:28
#21382
40K
24.85 mi14:56:114:03:069:4710:14
11:58
#21542
25.2M
25.20 mi15:01:014:07:569:504:50
14:01
#21655
Finish
26.22 mi15:11:514:18:469:5310:50
10:38
#21709
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17756113381133819498(Top 73%)12089(Top 80%)12089(Top 1089%)
10K6.21 mi3.10 mi17584+17211291+4711291+4717446(Top 66%)11278(Top 74%)11278(Top 1016%)
15K9.32 mi3.11 mi18289-70511585-29411585-29419498(Top 73%)12089(Top 80%)12089(Top 1089%)
20K12.43 mi3.11 mi18734-44511758-17311758-17319926(Top 75%)12271(Top 81%)12271(Top 1105%)
Half13.11 mi0.68 mi18893-15911816-5811816-5821260(Top 80%)12853(Top 85%)12853(Top 1158%)
25K15.53 mi2.42 mi19618-72512103-28712103-28721941(Top 82%)13115(Top 86%)13115(Top 1182%)
30K18.64 mi3.11 mi20400-78212429-32612429-32622444(Top 84%)13269(Top 87%)13269(Top 1195%)
20M20.00 mi1.36 mi20719-31912560-13112560-13123298(Top 88%)13595(Top 90%)13595(Top 1225%)
21M21.00 mi1.00 mi20895-17612624-6412624-6422797(Top 86%)13336(Top 88%)13336(Top 1201%)
35K21.75 mi0.75 mi21076-18112684-6012684-6023992(Top 90%)13843(Top 91%)13843(Top 1247%)
23M23.00 mi1.25 mi21353-27712809-12512809-12524117(Top 91%)13901(Top 92%)13901(Top 1252%)
24M24.00 mi1.00 mi21382-2912812-312812-321957(Top 82%)12857(Top 85%)12857(Top 1158%)
40K24.85 mi0.85 mi21542-16012869-5712869-5723845(Top 90%)13716(Top 90%)13716(Top 1236%)
25.2M25.20 mi0.35 mi21655-11312917-4812917-4825011(Top 94%)14282(Top 94%)14282(Top 1287%)
Finish26.22 mi1.02 mi21709-5412942-2512942-2523275(Top 87%)13463(Top 89%)13463(Top 1213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19498

Males

12089

M60-64

12089

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17446

Males

11278

M60-64

11278

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19498

Males

12089

M60-64

12089

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

19926

Males

12271

M60-64

12271

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21260

Males

12853

M60-64

12853

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21941

Males

13115

M60-64

13115

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22444

Males

13269

M60-64

13269

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23298

Males

13595

M60-64

13595

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22797

Males

13336

M60-64

13336

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23992

Males

13843

M60-64

13843

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24117

Males

13901

M60-64

13901

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21957

Males

12857

M60-64

12857

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23845

Males

13716

M60-64

13716

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25011

Males

14282

M60-64

14282

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23275

Males

13463

M60-64

13463

Passing Analysis

Category:
Athletes Passed
695
Passed By
4648
Net Change
-3953
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17756
5K → 10K402230+172#17756#17584
10K → 15K42747-705#17584#18289
15K → 20K59504-445#18289#18734
20K → Half3162-159#18734#18893
Half → 25K20745-725#18893#19618
25K → 30K34816-782#19618#20400
30K → 20M17336-319#20400#20719
20M → 21M22198-176#20719#20895
21M → 35K8189-181#20895#21076
35K → 23M16293-277#21076#21353
23M → 24M3766-29#21353#21382
24M → 40K11171-160#21382#21542
40K → 25.2M6119-113#21542#21655
25.2M → Finish1872-54#21655#21709
TOTALS6954648-3953
📊

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