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BOSTON MARATHON 2023

Ivan Roberts-York

Bib: 27257•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
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
10:14/mi
31:49
↑ 97↓ 3451.5%
10K· 6.21 mi
10:28/mi
1:04:19
↑ 79↓ 1380.4%
15K· 9.32 mi
10:17/mi
1:36:17
↑ 67↓ 78
20K· 12.43 mi
10:33/mi
2:09:05
↑ 106↓ 860.1%
Half· 13.11 mi
10:26/mi
2:16:12
↑ 19↓ 370.5%
25K· 15.53 mi
10:36/mi
2:41:54
↑ 66↓ 880.2%
30K· 18.64 mi
10:27/mi
3:14:23
↑ 181↓ 1480.2%
20M
10:42/mi
3:28:56
↑ 64↓ 500.2%
21M
11:15/mi
3:40:11
↑ 106↓ 241.6%
35K· 21.75 mi
10:11/mi
3:47:48
↑ 17↓ 861.7%
23M
10:33/mi
4:01:00
↑ 23↓ 630.6%
24M
10:15/mi
4:11:15
↓ 821.3%
40K· 24.85 mi
11:14/mi
4:20:51
↓ 200.3%
25.2M
12:37/mi
4:25:12
↑ 13↓ 160.2%
Finish· 26.22 mi
10:46/mi
4:36:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:12
Pace10:23 /mi
2nd Half
Distance13.11 mi
Time2:19:58
Pace10:41 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0731:4910:1431:49
10:14
-
10K
6.21 mi12:21:371:04:1910:2132:30
10:28
+0:14
15K
9.32 mi12:53:351:36:1710:2031:58
10:17
-0:11
20K
12.43 mi13:26:232:09:0510:2332:48
10:33
+0:16
Half
13.11 mi13:33:302:16:1210:237:07
10:26
-0:07
25K
15.53 mi13:59:122:41:5410:2525:42
10:36
+0:10
30K
18.64 mi14:31:413:14:2310:2632:29
10:27
-0:09
20M
20.00 mi14:46:143:28:5610:2714:33
10:42
+0:15
21M
21.00 mi14:57:293:40:1110:2911:15
11:15
+0:33
35K
21.75 mi15:05:063:47:4810:287:37
10:11
-1:04
23M
23.00 mi15:18:184:01:0010:2913:12
10:33
+0:22
24M
24.00 mi15:28:334:11:1510:2810:15
10:15
-0:18
40K
24.85 mi15:38:094:20:5110:309:36
11:14
+0:59
25.2M
25.20 mi15:42:304:25:1210:314:21
12:37
+1:23
Finish
26.22 mi15:53:284:36:1010:3210:58
10:46
-1:51

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

10:11 /mi

Average Pace

10:32 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:41

18% of race

Time at Steady Pace

3:21:17

73% of race

Time at Slower Pace

25:12

9% of race

Average Pace: 10:32 /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 mi11:49:0731:4910:1431:49
10:14
#24046
10K
6.21 mi12:21:371:04:1910:2132:30
10:28
#24393
15K
9.32 mi12:53:351:36:1710:2031:58
10:17
#24287
20K
12.43 mi13:26:232:09:0510:2332:48
10:33
#24192
Half
13.11 mi13:33:302:16:1210:237:07
10:26
#24177
25K
15.53 mi13:59:122:41:5410:2525:42
10:36
#24016
30K
18.64 mi14:31:413:14:2310:2632:29
10:27
#23663
20M
20.00 mi14:46:143:28:5610:2714:33
10:42
#23557
21M
21.00 mi14:57:293:40:1110:2911:15
11:15
#23463
35K
21.75 mi15:05:063:47:4810:287:37
10:11
#23411
23M
23.00 mi15:18:184:01:0010:2913:12
10:33
#23284
24M
24.00 mi15:28:334:11:1510:2810:15
10:15
#23229
40K
24.85 mi15:38:094:20:5110:309:36
11:14
#23198
25.2M
25.20 mi15:42:304:25:1210:314:21
12:37
#23206
Finish
26.22 mi15:53:284:36:1010:3210:58
10:46
#23219
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi24046141081410824065(Top 90%)14117(Top 93%)14117(Top 1272%)
10K6.21 mi3.10 mi24393-34714271-16314271-16324607(Top 92%)14355(Top 95%)14355(Top 1293%)
15K9.32 mi3.11 mi24287+10614213+5814213+5824065(Top 90%)14117(Top 93%)14117(Top 1272%)
20K12.43 mi3.11 mi24192+9514173+4014173+4023929(Top 90%)14047(Top 93%)14047(Top 1265%)
Half13.11 mi0.68 mi24177+1514162+1114162+1124061(Top 90%)14092(Top 93%)14092(Top 1270%)
25K15.53 mi2.42 mi24016+16114089+7314089+7323348(Top 88%)13741(Top 91%)13741(Top 1238%)
30K18.64 mi3.11 mi23663+35313909+18013909+18022115(Top 83%)13131(Top 87%)13131(Top 1183%)
20M20.00 mi1.36 mi23557+10613845+6413845+6422171(Top 83%)13075(Top 86%)13075(Top 1178%)
21M21.00 mi1.00 mi23463+9413800+4513800+4521369(Top 80%)12686(Top 84%)12686(Top 1143%)
35K21.75 mi0.75 mi23411+5213763+3713763+3721741(Top 82%)12823(Top 84%)12823(Top 1155%)
23M23.00 mi1.25 mi23284+12713693+7013693+7021424(Top 80%)12655(Top 83%)12655(Top 1140%)
24M24.00 mi1.00 mi23229+5513661+3213661+3221445(Top 81%)12609(Top 83%)12609(Top 1136%)
40K24.85 mi0.85 mi23198+3113633+2813633+2822779(Top 86%)13216(Top 87%)13216(Top 1191%)
25.2M25.20 mi0.35 mi23206-813632+113632+123440(Top 88%)13520(Top 89%)13520(Top 1218%)
Finish26.22 mi1.02 mi23219-1313634-213634-223526(Top 88%)13584(Top 90%)13584(Top 1224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

24065

Males

14117

M60-64

14117

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24607

Males

14355

M60-64

14355

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

24065

Males

14117

M60-64

14117

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23929

Males

14047

M60-64

14047

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

24061

Males

14092

M60-64

14092

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23348

Males

13741

M60-64

13741

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22115

Males

13131

M60-64

13131

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22171

Males

13075

M60-64

13075

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21369

Males

12686

M60-64

12686

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21741

Males

12823

M60-64

12823

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

21424

Males

12655

M60-64

12655

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21445

Males

12609

M60-64

12609

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22779

Males

13216

M60-64

13216

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23440

Males

13520

M60-64

13520

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23526

Males

13584

M60-64

13584

Passing Analysis

Category:
Athletes Passed
1537
Passed By
710
Net Change
+827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24046
5K → 10K71418-347#24046#24393
10K → 15K18579+106#24393#24287
15K → 20K15358+95#24287#24192
20K → Half2813+15#24192#24177
Half → 25K18221+161#24177#24016
25K → 30K3552+353#24016#23663
30K → 20M1148+106#23663#23557
20M → 21M973+94#23557#23463
21M → 35K575+52#23463#23411
35K → 23M1325+127#23411#23284
23M → 24M627+55#23284#23229
24M → 40K5827+31#23229#23198
40K → 25.2M1927-8#23198#23206
25.2M → Finish2437-13#23206#23219
TOTALS1537710+827
📊

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