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BOSTON MARATHON 2023

Ralph Kelley

Bib: 23436•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
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
9:17/mi
28:51
↑ 97↓ 3451.5%
10K· 6.21 mi
9:17/mi
57:41
↑ 79↓ 1380.4%
15K· 9.32 mi
9:27/mi
1:27:03
↑ 67↓ 78
20K· 12.43 mi
9:37/mi
1:56:57
↑ 106↓ 860.1%
Half· 13.11 mi
9:27/mi
2:03:24
↑ 19↓ 370.5%
25K· 15.53 mi
9:57/mi
2:27:32
↑ 66↓ 880.2%
30K· 18.64 mi
10:21/mi
2:59:42
↑ 181↓ 1480.2%
20M
10:32/mi
3:14:01
↑ 64↓ 500.2%
21M
11:09/mi
3:25:10
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:32:04
↑ 17↓ 861.7%
23M
10:02/mi
3:44:38
↑ 23↓ 630.6%
24M
9:38/mi
3:54:16
↓ 821.3%
40K· 24.85 mi
10:07/mi
4:02:55
↓ 200.3%
25.2M
10:32/mi
4:06:33
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
4:16:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:24
Pace9:25 /mi
2nd Half
Distance13.11 mi
Time2:12:37
Pace10:07 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1928:519:1728:51
9:17
-
10K
6.21 mi11:53:0957:419:1728:50
9:17
0:00
15K
9.32 mi12:22:311:27:039:2029:22
9:27
+0:10
20K
12.43 mi12:52:251:56:579:2529:54
9:37
+0:10
Half
13.11 mi12:58:522:03:249:256:27
9:27
-0:10
25K
15.53 mi13:23:002:27:329:3024:08
9:57
+0:30
30K
18.64 mi13:55:102:59:429:3832:10
10:21
+0:24
20M
20.00 mi14:09:293:14:019:4214:19
10:32
+0:11
21M
21.00 mi14:20:383:25:109:4611:09
11:09
+0:37
35K
21.75 mi14:27:323:32:049:456:54
9:13
-1:56
23M
23.00 mi14:40:063:44:389:4612:34
10:02
+0:49
24M
24.00 mi14:49:443:54:169:469:38
9:38
-0:24
40K
24.85 mi14:58:234:02:559:468:39
10:07
+0:29
25.2M
25.20 mi15:02:014:06:339:473:38
10:32
+0:25
Finish
26.22 mi15:11:294:16:019:469:28
9:17
-1:15

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

9:13 /mi

Average Pace

9:46 /mi

Slowest Pace

11:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:03

29% of race

Time at Steady Pace

1:15:21

29% of race

Time at Slower Pace

1:46:37

42% of race

Average Pace: 9:46 /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 mi11:24:1928:519:1728:51
9:17
#21483
10K
6.21 mi11:53:0957:419:1728:50
9:17
#21673
15K
9.32 mi12:22:311:27:039:2029:22
9:27
#21805
20K
12.43 mi12:52:251:56:579:2529:54
9:37
#21840
Half
13.11 mi12:58:522:03:249:256:27
9:27
#21838
25K
15.53 mi13:23:002:27:329:3024:08
9:57
#21881
30K
18.64 mi13:55:102:59:429:3832:10
10:21
#21895
20M
20.00 mi14:09:293:14:019:4214:19
10:32
#21881
21M
21.00 mi14:20:383:25:109:4611:09
11:09
#21845
35K
21.75 mi14:27:323:32:049:456:54
9:13
#21758
23M
23.00 mi14:40:063:44:389:4612:34
10:02
#21649
24M
24.00 mi14:49:443:54:169:469:38
9:38
#21560
40K
24.85 mi14:58:234:02:559:468:39
10:07
#21515
25.2M
25.20 mi15:02:014:06:339:473:38
10:32
#21483
Finish
26.22 mi15:11:294:16:019:469:28
9:17
#21390
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi21483128361283622107(Top 83%)13235(Top 87%)13235(Top 2411%)
10K6.21 mi3.10 mi21673-19012978-14212978-14221861(Top 82%)13093(Top 86%)13093(Top 2385%)
15K9.32 mi3.11 mi21805-13213054-7613054-7622107(Top 83%)13235(Top 87%)13235(Top 2411%)
20K12.43 mi3.11 mi21840-3513087-3313087-3321922(Top 82%)13146(Top 87%)13146(Top 2395%)
Half13.11 mi0.68 mi21838+213083+413083+421960(Top 82%)13174(Top 87%)13174(Top 2400%)
25K15.53 mi2.42 mi21881-4313101-1813101-1822111(Top 83%)13192(Top 87%)13192(Top 2403%)
30K18.64 mi3.11 mi21895-1413096+513096+521889(Top 82%)13025(Top 86%)13025(Top 2372%)
20M20.00 mi1.36 mi21881+1413082+1413082+1421814(Top 82%)12912(Top 85%)12912(Top 2352%)
21M21.00 mi1.00 mi21845+3613058+2413058+2421140(Top 79%)12587(Top 83%)12587(Top 2293%)
35K21.75 mi0.75 mi21758+8713008+5013008+5018835(Top 71%)11522(Top 76%)11522(Top 2099%)
23M23.00 mi1.25 mi21649+10912939+6912939+6920091(Top 75%)12064(Top 79%)12064(Top 2197%)
24M24.00 mi1.00 mi21560+8912892+4712892+4719685(Top 74%)11865(Top 78%)11865(Top 2161%)
40K24.85 mi0.85 mi21515+4512860+3212860+3220276(Top 76%)12051(Top 79%)12051(Top 2195%)
25.2M25.20 mi0.35 mi21483+3212837+2312837+2319204(Top 72%)11576(Top 76%)11576(Top 2109%)
Finish26.22 mi1.02 mi21390+9312786+5112786+5119312(Top 73%)11676(Top 77%)11676(Top 2127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22107

Males

13235

M65-69

13235

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21861

Males

13093

M65-69

13093

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22107

Males

13235

M65-69

13235

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21922

Males

13146

M65-69

13146

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21960

Males

13174

M65-69

13174

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22111

Males

13192

M65-69

13192

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

21889

Males

13025

M65-69

13025

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21814

Males

12912

M65-69

12912

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21140

Males

12587

M65-69

12587

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

18835

Males

11522

M65-69

11522

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

20091

Males

12064

M65-69

12064

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19685

Males

11865

M65-69

11865

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20276

Males

12051

M65-69

12051

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19204

Males

11576

M65-69

11576

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19312

Males

11676

M65-69

11676

Passing Analysis

Category:
Athletes Passed
1344
Passed By
1251
Net Change
+93
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21483
5K → 10K198388-190#21483#21673
10K → 15K109241-132#21673#21805
15K → 20K116151-35#21805#21840
20K → Half2321+2#21840#21838
Half → 25K91134-43#21838#21881
25K → 30K140154-14#21881#21895
30K → 20M8066+14#21895#21881
20M → 21M7438+36#21881#21845
21M → 35K881+87#21845#21758
35K → 23M11910+109#21758#21649
23M → 24M989+89#21649#21560
24M → 40K6520+45#21560#21515
40K → 25.2M386+32#21515#21483
25.2M → Finish10512+93#21483#21390
TOTALS13441251+93
📊

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