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BOSTON MARATHON 2023

Carmel Rosenthal

Bib: 18674•M

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
Top 48%
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
8:25/mi
26:09
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
50:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:16:06
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:42:40
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:48:32
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:09:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:04/mi
2:38:03
↑ 181↓ 1480.2%
20M
9:16/mi
2:50:39
↑ 64↓ 500.2%
21M
9:46/mi
3:00:25
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
3:07:15
↑ 17↓ 861.7%
23M
9:26/mi
3:19:04
↑ 23↓ 630.6%
24M
9:08/mi
3:28:12
↓ 821.3%
40K· 24.85 mi
9:20/mi
3:36:11
↓ 200.3%
25.2M
9:57/mi
3:39:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:20/mi
3:49:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:32
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time2:00:36
Pace9:12 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2026:098:2526:09
8:25
-
10K
6.21 mi11:42:1050:598:1224:50
8:00
-0:25
15K
9.32 mi12:07:171:16:068:1025:07
8:05
+0:05
20K
12.43 mi12:33:511:42:408:1626:34
8:33
+0:28
Half
13.11 mi12:39:431:48:328:175:52
8:36
+0:03
25K
15.53 mi13:01:042:09:538:2221:21
8:48
+0:12
30K
18.64 mi13:29:142:38:038:2928:10
9:04
+0:16
20M
20.00 mi13:41:502:50:398:3212:36
9:16
+0:12
21M
21.00 mi13:51:363:00:258:359:46
9:46
+0:30
35K
21.75 mi13:58:263:07:158:376:50
9:08
-0:38
23M
23.00 mi14:10:153:19:048:3911:49
9:26
+0:18
24M
24.00 mi14:19:233:28:128:419:08
9:08
-0:18
40K
24.85 mi14:27:223:36:118:427:59
9:20
+0:12
25.2M
25.20 mi14:30:483:39:378:433:26
9:57
+0:37
Finish
26.22 mi14:40:193:49:088:459:31
9:20
-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

8:00 /mi

Average Pace

8:45 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:53

57% of race

Time at Steady Pace

1:14:14

32% of race

Time at Slower Pace

25:01

11% of race

Average Pace: 8:44 /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 mi11:17:2026:098:2526:09
8:25
#16997
10K
6.21 mi11:42:1050:598:1224:50
8:00
#15860
15K
9.32 mi12:07:171:16:068:1025:07
8:05
#15579
20K
12.43 mi12:33:511:42:408:1626:34
8:33
#15986
Half
13.11 mi12:39:431:48:328:175:52
8:36
#16122
25K
15.53 mi13:01:042:09:538:2221:21
8:48
#16481
30K
18.64 mi13:29:142:38:038:2928:10
9:04
#16642
20M
20.00 mi13:41:502:50:398:3212:36
9:16
#16730
21M
21.00 mi13:51:363:00:258:359:46
9:46
#16751
35K
21.75 mi13:58:263:07:158:376:50
9:08
#16816
23M
23.00 mi14:10:153:19:048:3911:49
9:26
#16911
24M
24.00 mi14:19:233:28:128:419:08
9:08
#16949
40K
24.85 mi14:27:223:36:118:427:59
9:20
#16979
25.2M
25.20 mi14:30:483:39:378:433:26
9:57
#16984
Finish
26.22 mi14:40:193:49:088:459:31
9:20
#17136
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16997110521105215052(Top 57%)10331(Top 68%)10331(Top 931%)
10K6.21 mi3.10 mi15860+113710647+40510647+40514752(Top 55%)10225(Top 67%)10225(Top 921%)
15K9.32 mi3.11 mi15579+28110534+11310534+11315052(Top 57%)10331(Top 68%)10331(Top 931%)
20K12.43 mi3.11 mi15986-40710667-13310667-13317166(Top 64%)11117(Top 73%)11117(Top 1002%)
Half13.11 mi0.68 mi16122-13610717-5010717-5018277(Top 69%)11597(Top 76%)11597(Top 1045%)
25K15.53 mi2.42 mi16481-35910833-11610833-11617972(Top 68%)11408(Top 75%)11408(Top 1028%)
30K18.64 mi3.11 mi16642-16110849-1610849-1617505(Top 66%)11122(Top 73%)11122(Top 1002%)
20M20.00 mi1.36 mi16730-8810882-3310882-3317878(Top 67%)11177(Top 74%)11177(Top 1007%)
21M21.00 mi1.00 mi16751-2110890-810890-817104(Top 64%)10834(Top 71%)10834(Top 976%)
35K21.75 mi0.75 mi16816-6510910-2010910-2018443(Top 69%)11344(Top 75%)11344(Top 1022%)
23M23.00 mi1.25 mi16911-9510920-1010920-1018052(Top 68%)11136(Top 73%)11136(Top 1003%)
24M24.00 mi1.00 mi16949-3810917+310917+317795(Top 67%)10977(Top 72%)10977(Top 989%)
40K24.85 mi0.85 mi16979-3010908+910908+917667(Top 66%)10871(Top 72%)10871(Top 979%)
25.2M25.20 mi0.35 mi16984-510902+610902+617155(Top 64%)10624(Top 70%)10624(Top 957%)
Finish26.22 mi1.02 mi17136-15210967-6510967-6519503(Top 73%)11748(Top 77%)11748(Top 1058%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15052

Males

10331

M60-64

10331

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14752

Males

10225

M60-64

10225

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15052

Males

10331

M60-64

10331

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

17166

Males

11117

M60-64

11117

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18277

Males

11597

M60-64

11597

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

17972

Males

11408

M60-64

11408

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17505

Males

11122

M60-64

11122

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17878

Males

11177

M60-64

11177

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17104

Males

10834

M60-64

10834

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18443

Males

11344

M60-64

11344

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

18052

Males

11136

M60-64

11136

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17795

Males

10977

M60-64

10977

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17667

Males

10871

M60-64

10871

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17155

Males

10624

M60-64

10624

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19503

Males

11748

M60-64

11748

Passing Analysis

Category:
Athletes Passed
2173
Passed By
2312
Net Change
-139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16997
5K → 10K118952+1137#16997#15860
10K → 15K35372+281#15860#15579
15K → 20K72479-407#15579#15986
20K → Half11147-136#15986#16122
Half → 25K57416-359#16122#16481
25K → 30K131292-161#16481#16642
30K → 20M54142-88#16642#16730
20M → 21M7697-21#16730#16751
21M → 35K2893-65#16751#16816
35K → 23M55150-95#16816#16911
23M → 24M4785-38#16911#16949
24M → 40K5080-30#16949#16979
40K → 25.2M2631-5#16979#16984
25.2M → Finish24176-152#16984#17136
TOTALS21732312-139
📊

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