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BOSTON MARATHON 2023

Jim Burge

Bib: 21181•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 19%
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
8:03/mi
25:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
48:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:12:05
↑ 67↓ 78
20K· 12.43 mi
7:37/mi
1:35:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:40:55
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:59:30
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:24:09
↑ 181↓ 1480.2%
20M
8:22/mi
2:35:31
↑ 64↓ 500.2%
21M
8:51/mi
2:44:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
2:50:54
↑ 17↓ 861.7%
23M
9:49/mi
3:03:12
↑ 23↓ 630.6%
24M
9:05/mi
3:12:17
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:20:27
↓ 200.3%
25.2M
10:12/mi
3:23:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
3:33:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:55
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4125:028:0325:02
8:03
-
10K
6.21 mi11:41:2248:437:5023:41
7:37
-0:26
15K
9.32 mi12:04:441:12:057:4423:22
7:31
-0:06
20K
12.43 mi12:28:241:35:457:4223:40
7:37
+0:06
Half
13.11 mi12:33:341:40:557:425:10
7:34
-0:03
25K
15.53 mi12:52:091:59:307:4218:35
7:40
+0:06
30K
18.64 mi13:16:482:24:097:4424:39
7:56
+0:16
20M
20.00 mi13:28:102:35:317:4711:22
8:22
+0:26
21M
21.00 mi13:37:012:44:227:508:51
8:51
+0:29
35K
21.75 mi13:43:332:50:547:516:32
8:44
-0:07
23M
23.00 mi13:55:513:03:127:5812:18
9:49
+1:05
24M
24.00 mi14:04:563:12:178:019:05
9:05
-0:44
40K
24.85 mi14:13:063:20:278:048:10
9:33
+0:28
25.2M
25.20 mi14:16:373:23:588:063:31
10:12
+0:39
Finish
26.22 mi14:26:033:33:248:099:26
9:15
-0:57

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

7:31 /mi

Average Pace

8:09 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:28

44% of race

Time at Steady Pace

1:07:35

32% of race

Time at Slower Pace

51:21

24% of race

Average Pace: 8:08 /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 mi11:17:4125:028:0325:02
8:03
#14399
10K
6.21 mi11:41:2248:437:5023:41
7:37
#13082
15K
9.32 mi12:04:441:12:057:4423:22
7:31
#12103
20K
12.43 mi12:28:241:35:457:4223:40
7:37
#11572
Half
13.11 mi12:33:341:40:557:425:10
7:34
#11515
25K
15.53 mi12:52:091:59:307:4218:35
7:40
#11236
30K
18.64 mi13:16:482:24:097:4424:39
7:56
#11024
20M
20.00 mi13:28:102:35:317:4711:22
8:22
#11152
21M
21.00 mi13:37:012:44:227:508:51
8:51
#11225
35K
21.75 mi13:43:332:50:547:516:32
8:44
#11466
23M
23.00 mi13:55:513:03:127:5812:18
9:49
#12182
24M
24.00 mi14:04:563:12:178:019:05
9:05
#12460
40K
24.85 mi14:13:063:20:278:048:10
9:33
#12775
25.2M
25.20 mi14:16:373:23:588:063:31
10:12
#12880
Finish
26.22 mi14:26:033:33:248:099:26
9:15
#13162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14399101121011210349(Top 39%)8333(Top 55%)8333(Top 751%)
10K6.21 mi3.10 mi13082+13179571+5419571+54111530(Top 43%)8900(Top 59%)8900(Top 802%)
15K9.32 mi3.11 mi12103+9799134+4379134+43710349(Top 39%)8333(Top 55%)8333(Top 751%)
20K12.43 mi3.11 mi11572+5318891+2438891+24310220(Top 38%)8199(Top 54%)8199(Top 739%)
Half13.11 mi0.68 mi11515+578866+258866+2510801(Top 41%)8527(Top 56%)8527(Top 768%)
25K15.53 mi2.42 mi11236+2798727+1398727+13910034(Top 38%)8008(Top 53%)8008(Top 721%)
30K18.64 mi3.11 mi11024+2128593+1348593+13410397(Top 39%)8039(Top 53%)8039(Top 724%)
20M20.00 mi1.36 mi11152-1288619-268619-2612773(Top 48%)9030(Top 60%)9030(Top 814%)
21M21.00 mi1.00 mi11225-738630-118630-1112530(Top 47%)8814(Top 58%)8814(Top 794%)
35K21.75 mi0.75 mi11466-2418722-928722-9216546(Top 62%)10498(Top 69%)10498(Top 946%)
23M23.00 mi1.25 mi12182-7169009-2879009-28719479(Top 73%)11784(Top 78%)11784(Top 1062%)
24M24.00 mi1.00 mi12460-2789117-1089117-10817575(Top 66%)10882(Top 72%)10882(Top 980%)
40K24.85 mi0.85 mi12775-3159224-1079224-10718483(Top 69%)11251(Top 74%)11251(Top 1014%)
25.2M25.20 mi0.35 mi12880-1059253-299253-2918051(Top 68%)11034(Top 73%)11034(Top 994%)
Finish26.22 mi1.02 mi13162-2829352-999352-9919160(Top 72%)11606(Top 76%)11606(Top 1046%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10349

Males

8333

M60-64

8333

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11530

Males

8900

M60-64

8900

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10349

Males

8333

M60-64

8333

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10220

Males

8199

M60-64

8199

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10801

Males

8527

M60-64

8527

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10034

Males

8008

M60-64

8008

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10397

Males

8039

M60-64

8039

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12773

Males

9030

M60-64

9030

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12530

Males

8814

M60-64

8814

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16546

Males

10498

M60-64

10498

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19479

Males

11784

M60-64

11784

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

17575

Males

10882

M60-64

10882

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18483

Males

11251

M60-64

11251

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18051

Males

11034

M60-64

11034

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19160

Males

11606

M60-64

11606

Passing Analysis

Category:
Athletes Passed
3729
Passed By
2492
Net Change
+1237
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14399
5K → 10K134932+1317#14399#13082
10K → 15K99112+979#13082#12103
15K → 20K54312+531#12103#11572
20K → Half6811+57#11572#11515
Half → 25K29819+279#11515#11236
25K → 30K28068+212#11236#11024
30K → 20M59187-128#11024#11152
20M → 21M69142-73#11152#11225
21M → 35K10251-241#11225#11466
35K → 23M12728-716#11466#12182
23M → 24M19297-278#12182#12460
24M → 40K10325-315#12460#12775
40K → 25.2M8113-105#12775#12880
25.2M → Finish13295-282#12880#13162
TOTALS37292492+1237
📊

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