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BOSTON MARATHON 2023

Josh Montgomery

Bib: 10004•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M50-54)
#0 / 2052
Top 12%
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
7:23/mi
22:55
↑ 97↓ 3451.5%
10K· 6.21 mi
6:51/mi
44:13
↑ 79↓ 1380.4%
15K· 9.32 mi
6:52/mi
1:05:32
↑ 67↓ 78
20K· 12.43 mi
6:53/mi
1:26:54
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:31:36
↑ 19↓ 370.5%
25K· 15.53 mi
6:59/mi
1:48:31
↑ 66↓ 880.2%
30K· 18.64 mi
7:10/mi
2:10:46
↑ 181↓ 1480.2%
20M
7:11/mi
2:20:32
↑ 64↓ 500.2%
21M
7:34/mi
2:28:06
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:33:45
↑ 17↓ 861.7%
23M
7:19/mi
2:42:55
↑ 23↓ 630.6%
24M
6:57/mi
2:49:52
↓ 821.3%
40K· 24.85 mi
7:00/mi
2:55:51
↓ 200.3%
25.2M
7:24/mi
2:58:24
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:05:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:36
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:33:46
Pace7:09 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3222:557:2322:55
7:23
-
10K
6.21 mi11:10:5044:137:0721:18
6:51
-0:32
15K
9.32 mi11:32:091:05:327:0221:19
6:52
+0:01
20K
12.43 mi11:53:311:26:547:0021:22
6:53
+0:01
Half
13.11 mi11:58:131:31:366:594:42
6:53
0:00
25K
15.53 mi12:15:081:48:316:5916:55
6:59
+0:06
30K
18.64 mi12:37:232:10:467:0122:15
7:10
+0:11
20M
20.00 mi12:47:092:20:327:029:46
7:11
+0:01
21M
21.00 mi12:54:432:28:067:037:34
7:34
+0:23
35K
21.75 mi13:00:222:33:457:045:39
7:34
0:00
23M
23.00 mi13:09:322:42:557:059:10
7:19
-0:15
24M
24.00 mi13:16:292:49:527:056:57
6:57
-0:22
40K
24.85 mi13:22:282:55:517:055:59
7:00
+0:03
25.2M
25.20 mi13:25:012:58:247:052:33
7:24
+0:24
Finish
26.22 mi13:31:593:05:227:056:58
6:50
-0:34

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

6:50 /mi

Average Pace

7:05 /mi

Slowest Pace

7:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:09

93% of race

Time at Steady Pace

13:13

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi10:49:3222:557:2322:55
7:23
#8621
10K
6.21 mi11:10:5044:137:0721:18
6:51
#7203
15K
9.32 mi11:32:091:05:327:0221:19
6:52
#6690
20K
12.43 mi11:53:311:26:547:0021:22
6:53
#6313
Half
13.11 mi11:58:131:31:366:594:42
6:53
#6285
25K
15.53 mi12:15:081:48:316:5916:55
6:59
#6119
30K
18.64 mi12:37:232:10:467:0122:15
7:10
#5906
20M
20.00 mi12:47:092:20:327:029:46
7:11
#5809
21M
21.00 mi12:54:432:28:067:037:34
7:34
#5728
35K
21.75 mi13:00:222:33:457:045:39
7:34
#5799
23M
23.00 mi13:09:322:42:557:059:10
7:19
#5715
24M
24.00 mi13:16:292:49:527:056:57
6:57
#5605
40K
24.85 mi13:22:282:55:517:055:59
7:00
#5499
25.2M
25.20 mi13:25:012:58:247:052:33
7:24
#5436
Finish
26.22 mi13:31:593:05:227:056:58
6:50
#5331
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8621736273625659(Top 21%)5196(Top 34%)5196(Top 253%)
10K6.21 mi3.10 mi7203+14186404+9586404+9585799(Top 22%)5300(Top 35%)5300(Top 258%)
15K9.32 mi3.11 mi6690+5136023+3816023+3815659(Top 21%)5196(Top 34%)5196(Top 253%)
20K12.43 mi3.11 mi6313+3775716+3075716+3075173(Top 19%)4783(Top 32%)4783(Top 233%)
Half13.11 mi0.68 mi6285+285695+215695+215887(Top 22%)5396(Top 36%)5396(Top 263%)
25K15.53 mi2.42 mi6119+1665572+1235572+1235434(Top 20%)5005(Top 33%)5005(Top 244%)
30K18.64 mi3.11 mi5906+2135392+1805392+1805272(Top 20%)4815(Top 32%)4815(Top 235%)
20M20.00 mi1.36 mi5809+975307+855307+855045(Top 19%)4578(Top 30%)4578(Top 223%)
21M21.00 mi1.00 mi5728+815238+695238+694870(Top 18%)4374(Top 29%)4374(Top 213%)
35K21.75 mi0.75 mi5799-715283-455283-459013(Top 34%)7056(Top 46%)7056(Top 344%)
23M23.00 mi1.25 mi5715+845201+825201+825414(Top 20%)4767(Top 31%)4767(Top 232%)
24M24.00 mi1.00 mi5605+1105105+965105+964429(Top 17%)4004(Top 26%)4004(Top 195%)
40K24.85 mi0.85 mi5499+1065011+945011+943865(Top 15%)3482(Top 23%)3482(Top 170%)
25.2M25.20 mi0.35 mi5436+634959+524959+523434(Top 13%)3117(Top 21%)3117(Top 152%)
Finish26.22 mi1.02 mi5331+1054867+924867+924283(Top 16%)3759(Top 25%)3759(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5659

Males

5196

M50-54

5196

5K→10K

3.1 - 6.2 mi

Top 22%
×5story building
+79ft-138ft

Overall

5799

Males

5300

M50-54

5300

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5659

Males

5196

M50-54

5196

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5173

Males

4783

M50-54

4783

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5887

Males

5396

M50-54

5396

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5434

Males

5005

M50-54

5005

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5272

Males

4815

M50-54

4815

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5045

Males

4578

M50-54

4578

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4870

Males

4374

M50-54

4374

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9013

Males

7056

M50-54

7056

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5414

Males

4767

M50-54

4767

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4429

Males

4004

M50-54

4004

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3865

Males

3482

M50-54

3482

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3434

Males

3117

M50-54

3117

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4283

Males

3759

M50-54

3759

Passing Analysis

Category:
Athletes Passed
3527
Passed By
237
Net Change
+3290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8621
5K → 10K14224+1418#8621#7203
10K → 15K5174+513#7203#6690
15K → 20K3825+377#6690#6313
20K → Half324+28#6313#6285
Half → 25K18317+166#6285#6119
25K → 30K24532+213#6119#5906
30K → 20M11720+97#5906#5809
20M → 21M9716+81#5809#5728
21M → 35K1889-71#5728#5799
35K → 23M10723+84#5799#5715
23M → 24M1155+110#5715#5605
24M → 40K1104+106#5605#5499
40K → 25.2M641+63#5499#5436
25.2M → Finish11813+105#5436#5331
TOTALS3527237+3290
📊

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