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BOSTON MARATHON 2023

Robert Gray

Bib: 12414•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 33%
Division (M55-59)
#0 / 1422
Top 14%
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
7:34/mi
23:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:56
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:33:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:38:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:56:31
↑ 66↓ 880.2%
30K· 18.64 mi
7:37/mi
2:20:12
↑ 181↓ 1480.2%
20M
7:29/mi
2:30:22
↑ 64↓ 500.2%
21M
7:51/mi
2:38:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:43:44
↑ 17↓ 861.7%
23M
7:36/mi
2:53:15
↑ 23↓ 630.6%
24M
7:27/mi
3:00:42
↓ 821.3%
40K· 24.85 mi
7:19/mi
3:06:57
↓ 200.3%
25.2M
7:50/mi
3:09:39
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:16:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:22
Pace7:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:21
Pace7:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0823:327:3423:32
7:34
-
10K
6.21 mi11:14:2246:467:3223:14
7:29
-0:05
15K
9.32 mi11:37:321:09:567:3023:10
7:27
-0:02
20K
12.43 mi12:00:571:33:217:3123:25
7:32
+0:05
Half
13.11 mi12:05:581:38:227:305:01
7:21
-0:11
25K
15.53 mi12:24:071:56:317:3018:09
7:29
+0:08
30K
18.64 mi12:47:482:20:127:3123:41
7:37
+0:08
20M
20.00 mi12:57:582:30:227:3110:10
7:29
-0:08
21M
21.00 mi13:05:492:38:137:327:51
7:51
+0:22
35K
21.75 mi13:11:202:43:447:325:31
7:22
-0:29
23M
23.00 mi13:20:512:53:157:329:31
7:36
+0:14
24M
24.00 mi13:28:183:00:427:327:27
7:27
-0:09
40K
24.85 mi13:34:333:06:577:316:15
7:19
-0:08
25.2M
25.20 mi13:37:153:09:397:322:42
7:50
+0:31
Finish
26.22 mi13:44:193:16:437:307:04
6:56
-0:54

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

6:56 /mi

Average Pace

7:30 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:10

95% of race

Time at Steady Pace

10:33

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:51:0823:327:3423:32
7:34
#10275
10K
6.21 mi11:14:2246:467:3223:14
7:29
#10271
15K
9.32 mi11:37:321:09:567:3023:10
7:27
#10081
20K
12.43 mi12:00:571:33:217:3123:25
7:32
#9926
Half
13.11 mi12:05:581:38:227:305:01
7:21
#9875
25K
15.53 mi12:24:071:56:317:3018:09
7:29
#9651
30K
18.64 mi12:47:482:20:127:3123:41
7:37
#9319
20M
20.00 mi12:57:582:30:227:3110:10
7:29
#9083
21M
21.00 mi13:05:492:38:137:327:51
7:51
#8918
35K
21.75 mi13:11:202:43:447:325:31
7:22
#8849
23M
23.00 mi13:20:512:53:157:329:31
7:36
#8731
24M
24.00 mi13:28:183:00:427:327:27
7:27
#8640
40K
24.85 mi13:34:333:06:577:316:15
7:19
#8480
25.2M
25.20 mi13:37:153:09:397:322:42
7:50
#8412
Finish
26.22 mi13:44:193:16:437:307:04
6:56
#8210
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10275827382739805(Top 37%)8034(Top 53%)8034(Top 565%)
10K6.21 mi3.10 mi10271+48294-218294-2110266(Top 39%)8310(Top 55%)8310(Top 584%)
15K9.32 mi3.11 mi10081+1908210+848210+849805(Top 37%)8034(Top 53%)8034(Top 565%)
20K12.43 mi3.11 mi9926+1558104+1068104+1069595(Top 36%)7848(Top 52%)7848(Top 552%)
Half13.11 mi0.68 mi9875+518083+218083+218961(Top 34%)7477(Top 49%)7477(Top 526%)
25K15.53 mi2.42 mi9651+2247932+1517932+1518654(Top 33%)7232(Top 48%)7232(Top 509%)
30K18.64 mi3.11 mi9319+3327693+2397693+2398099(Top 30%)6741(Top 44%)6741(Top 474%)
20M20.00 mi1.36 mi9083+2367530+1637530+1636673(Top 25%)5761(Top 38%)5761(Top 405%)
21M21.00 mi1.00 mi8918+1657414+1167414+1166450(Top 24%)5522(Top 36%)5522(Top 388%)
35K21.75 mi0.75 mi8849+697361+537361+537625(Top 29%)6267(Top 41%)6267(Top 441%)
23M23.00 mi1.25 mi8731+1187263+987263+987086(Top 27%)5881(Top 39%)5881(Top 414%)
24M24.00 mi1.00 mi8640+917181+827181+827365(Top 28%)5935(Top 39%)5935(Top 417%)
40K24.85 mi0.85 mi8480+1607066+1157066+1155526(Top 21%)4713(Top 31%)4713(Top 331%)
25.2M25.20 mi0.35 mi8412+687013+537013+535566(Top 21%)4665(Top 31%)4665(Top 328%)
Finish26.22 mi1.02 mi8210+2026865+1486865+1484843(Top 18%)4166(Top 27%)4166(Top 293%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9805

Males

8034

M55-59

8034

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10266

Males

8310

M55-59

8310

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9805

Males

8034

M55-59

8034

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9595

Males

7848

M55-59

7848

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8961

Males

7477

M55-59

7477

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8654

Males

7232

M55-59

7232

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8099

Males

6741

M55-59

6741

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6673

Males

5761

M55-59

5761

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6450

Males

5522

M55-59

5522

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7625

Males

6267

M55-59

6267

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7086

Males

5881

M55-59

5881

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7365

Males

5935

M55-59

5935

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5526

Males

4713

M55-59

4713

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5566

Males

4665

M55-59

4665

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4843

Males

4166

M55-59

4166

Passing Analysis

Category:
Athletes Passed
2698*
Passed By
633
Net Change
+2065
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10275
5K → 10K309*305+4#10275#10271
10K → 15K27787+190#10271#10081
15K → 20K257*102+155#10081#9926
20K → Half6211+51#9926#9875
Half → 25K24319+224#9875#9651
25K → 30K363*31+332#9651#9319
30K → 20M2404+236#9319#9083
20M → 21M17611+165#9083#8918
21M → 35K8112+69#8918#8849
35K → 23M13214+118#8849#8731
23M → 24M11827+91#8731#8640
24M → 40K1644+160#8640#8480
40K → 25.2M691+68#8480#8412
25.2M → Finish2075+202#8412#8210
TOTALS2698*633+2065

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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