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BOSTON MARATHON 2023

Nick Roberts

Bib: 12955•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 (M55-59)
#0 / 1422
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
8:05/mi
25:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
49:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:14:32
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:40:33
↑ 106↓ 860.1%
Half· 13.11 mi
8:18/mi
1:46:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:33/mi
2:06:57
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:35:04
↑ 181↓ 1480.2%
20M
9:02/mi
2:47:20
↑ 64↓ 500.2%
21M
9:43/mi
2:57:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:03:35
↑ 17↓ 861.7%
23M
9:15/mi
3:15:10
↑ 23↓ 630.6%
24M
8:52/mi
3:24:02
↓ 821.3%
40K· 24.85 mi
9:00/mi
3:31:44
↓ 200.3%
25.2M
9:46/mi
3:35:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:43:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:13
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:57:31
Pace8:58 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4325:088:0525:08
8:05
-
10K
6.21 mi11:17:1049:357:5924:27
7:52
-0:13
15K
9.32 mi11:42:071:14:328:0024:57
8:02
+0:10
20K
12.43 mi12:08:081:40:338:0526:01
8:22
+0:20
Half
13.11 mi12:13:481:46:138:065:40
8:18
-0:04
25K
15.53 mi12:34:322:06:578:1020:44
8:33
+0:15
30K
18.64 mi13:02:392:35:048:1928:07
9:03
+0:30
20M
20.00 mi13:14:552:47:208:2212:16
9:02
-0:01
21M
21.00 mi13:24:382:57:038:269:43
9:43
+0:41
35K
21.75 mi13:31:103:03:358:266:32
8:44
-0:59
23M
23.00 mi13:42:453:15:108:2911:35
9:15
+0:31
24M
24.00 mi13:51:373:24:028:308:52
8:52
-0:23
40K
24.85 mi13:59:193:31:448:317:42
9:00
+0:08
25.2M
25.20 mi14:02:413:35:068:323:22
9:46
+0:46
Finish
26.22 mi14:11:193:43:448:328:38
8:28
-1:18

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

7:52 /mi

Average Pace

8:32 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:13

47% of race

Time at Steady Pace

52:28

23% of race

Time at Slower Pace

1:05:03

29% of race

Average Pace: 8:32 /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 mi10:52:4325:088:0525:08
8:05
#14626
10K
6.21 mi11:17:1049:357:5924:27
7:52
#14237
15K
9.32 mi11:42:071:14:328:0024:57
8:02
#14333
20K
12.43 mi12:08:081:40:338:0526:01
8:22
#14794
Half
13.11 mi12:13:481:46:138:065:40
8:18
#14897
25K
15.53 mi12:34:322:06:578:1020:44
8:33
#15148
30K
18.64 mi13:02:392:35:048:1928:07
9:03
#15611
20M
20.00 mi13:14:552:47:208:2212:16
9:02
#15654
21M
21.00 mi13:24:382:57:038:269:43
9:43
#15731
35K
21.75 mi13:31:103:03:358:266:32
8:44
#15753
23M
23.00 mi13:42:453:15:108:2911:35
9:15
#15846
24M
24.00 mi13:51:373:24:028:308:52
8:52
#15891
40K
24.85 mi13:59:193:31:448:317:42
9:00
#15889
25.2M
25.20 mi14:02:413:35:068:323:22
9:46
#15887
Finish
26.22 mi14:11:193:43:448:328:38
8:28
#15865
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14626102041020414634(Top 55%)10153(Top 67%)10153(Top 714%)
10K6.21 mi3.10 mi14237+38910030+17410030+17413715(Top 52%)9830(Top 65%)9830(Top 691%)
15K9.32 mi3.11 mi14333-9610064-3410064-3414634(Top 55%)10153(Top 67%)10153(Top 714%)
20K12.43 mi3.11 mi14794-46110226-16210226-16216075(Top 60%)10661(Top 70%)10661(Top 750%)
Half13.11 mi0.68 mi14897-10310253-2710253-2716471(Top 62%)10863(Top 72%)10863(Top 764%)
25K15.53 mi2.42 mi15148-25110328-7510328-7516486(Top 62%)10752(Top 71%)10752(Top 756%)
30K18.64 mi3.11 mi15611-46310461-13310461-13317425(Top 65%)11089(Top 73%)11089(Top 780%)
20M20.00 mi1.36 mi15654-4310450+1110450+1116664(Top 63%)10689(Top 70%)10689(Top 752%)
21M21.00 mi1.00 mi15731-7710449+110449+116899(Top 63%)10748(Top 71%)10748(Top 756%)
35K21.75 mi0.75 mi15753-2210448+110448+116559(Top 62%)10511(Top 69%)10511(Top 739%)
23M23.00 mi1.25 mi15846-9310460-1210460-1217287(Top 65%)10816(Top 71%)10816(Top 761%)
24M24.00 mi1.00 mi15891-4510459+110459+116553(Top 62%)10425(Top 69%)10425(Top 733%)
40K24.85 mi0.85 mi15889+210450+910450+916140(Top 61%)10184(Top 67%)10184(Top 716%)
25.2M25.20 mi0.35 mi15887+210448+210448+216333(Top 61%)10256(Top 68%)10256(Top 721%)
Finish26.22 mi1.02 mi15865+2210435+1310435+1315218(Top 57%)9824(Top 65%)9824(Top 691%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14634

Males

10153

M55-59

10153

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13715

Males

9830

M55-59

9830

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14634

Males

10153

M55-59

10153

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16075

Males

10661

M55-59

10661

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16471

Males

10863

M55-59

10863

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16486

Males

10752

M55-59

10752

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17425

Males

11089

M55-59

11089

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16664

Males

10689

M55-59

10689

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16899

Males

10748

M55-59

10748

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16559

Males

10511

M55-59

10511

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17287

Males

10816

M55-59

10816

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16553

Males

10425

M55-59

10425

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16140

Males

10184

M55-59

10184

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16333

Males

10256

M55-59

10256

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15218

Males

9824

M55-59

9824

Passing Analysis

Category:
Athletes Passed
1355
Passed By
2594
Net Change
-1239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14626
5K → 10K539150+389#14626#14237
10K → 15K141237-96#14237#14333
15K → 20K83544-461#14333#14794
20K → Half9112-103#14794#14897
Half → 25K74325-251#14897#15148
25K → 30K62525-463#15148#15611
30K → 20M73116-43#15611#15654
20M → 21M67144-77#15654#15731
21M → 35K3860-22#15731#15753
35K → 23M48141-93#15753#15846
23M → 24M57102-45#15846#15891
24M → 40K6260+2#15891#15889
40K → 25.2M2826+2#15889#15887
25.2M → Finish7452+22#15887#15865
TOTALS13552594-1239
📊

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