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BOSTON MARATHON 2023

Tom Godfrey

Bib: 18877•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 35%
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
8:15/mi
25:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:06/mi
50:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:16:08
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:42:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
2:07:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:35:08
↑ 181↓ 1480.2%
20M
8:59/mi
2:47:21
↑ 64↓ 500.2%
21M
9:40/mi
2:57:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
3:03:24
↑ 17↓ 861.7%
23M
8:54/mi
3:14:33
↑ 23↓ 630.6%
24M
8:35/mi
3:23:08
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:30:35
↓ 200.3%
25.2M
9:34/mi
3:33:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:42:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:34
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:54:56
Pace8:46 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3025:398:1525:39
8:15
-
10K
6.21 mi11:42:3950:488:1125:09
8:06
-0:09
15K
9.32 mi12:07:591:16:088:1025:20
8:09
+0:03
20K
12.43 mi12:33:511:42:008:1225:52
8:20
+0:11
Half
13.11 mi12:39:251:47:348:125:34
8:10
-0:10
25K
15.53 mi12:59:372:07:468:1320:12
8:20
+0:10
30K
18.64 mi13:26:592:35:088:1927:22
8:49
+0:29
20M
20.00 mi13:39:122:47:218:2212:13
8:59
+0:10
21M
21.00 mi13:48:522:57:018:269:40
9:40
+0:41
35K
21.75 mi13:55:153:03:248:266:23
8:32
-1:08
23M
23.00 mi14:06:243:14:338:2811:09
8:54
+0:22
24M
24.00 mi14:14:593:23:088:288:35
8:35
-0:19
40K
24.85 mi14:22:263:30:358:287:27
8:43
+0:08
25.2M
25.20 mi14:25:443:33:538:293:18
9:34
+0:51
Finish
26.22 mi14:34:213:42:308:308:37
8:27
-1:07

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

8:06 /mi

Average Pace

8:30 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:19

89% of race

Time at Steady Pace

12:13

5% of race

Time at Slower Pace

12:58

6% of race

Average Pace: 8:29 /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 mi11:17:3025:398:1525:39
8:15
#15843
10K
6.21 mi11:42:3950:488:1125:09
8:06
#15648
15K
9.32 mi12:07:591:16:088:1025:20
8:09
#15600
20K
12.43 mi12:33:511:42:008:1225:52
8:20
#15627
Half
13.11 mi12:39:251:47:348:125:34
8:10
#15626
25K
15.53 mi12:59:372:07:468:1320:12
8:20
#15516
30K
18.64 mi13:26:592:35:088:1927:22
8:49
#15624
20M
20.00 mi13:39:122:47:218:2212:13
8:59
#15660
21M
21.00 mi13:48:522:57:018:269:40
9:40
#15715
35K
21.75 mi13:55:153:03:248:266:23
8:32
#15699
23M
23.00 mi14:06:243:14:338:2811:09
8:54
#15670
24M
24.00 mi14:14:593:23:088:288:35
8:35
#15627
40K
24.85 mi14:22:263:30:358:287:27
8:43
#15603
25.2M
25.20 mi14:25:443:33:538:293:18
9:34
#15605
Finish
26.22 mi14:34:213:42:308:308:37
8:27
#15559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15843106461064615522(Top 58%)10508(Top 69%)10508(Top 947%)
10K6.21 mi3.10 mi15648+19510567+7910567+7915476(Top 58%)10507(Top 69%)10507(Top 947%)
15K9.32 mi3.11 mi15600+4810543+2410543+2415522(Top 58%)10508(Top 69%)10508(Top 947%)
20K12.43 mi3.11 mi15627-2710534+910534+915756(Top 59%)10542(Top 69%)10542(Top 950%)
Half13.11 mi0.68 mi15626+110532+210532+215464(Top 58%)10481(Top 69%)10481(Top 944%)
25K15.53 mi2.42 mi15516+11010460+7210460+7215129(Top 57%)10182(Top 67%)10182(Top 917%)
30K18.64 mi3.11 mi15624-10810468-810468-816107(Top 61%)10523(Top 69%)10523(Top 948%)
20M20.00 mi1.36 mi15660-3610454+1410454+1416461(Top 62%)10595(Top 70%)10595(Top 955%)
21M21.00 mi1.00 mi15715-5510443+1110443+1116687(Top 63%)10657(Top 70%)10657(Top 960%)
35K21.75 mi0.75 mi15699+1610420+2310420+2315458(Top 58%)10054(Top 66%)10054(Top 906%)
23M23.00 mi1.25 mi15670+2910382+3810382+3815550(Top 58%)10052(Top 66%)10052(Top 906%)
24M24.00 mi1.00 mi15627+4310351+3110351+3114950(Top 56%)9728(Top 64%)9728(Top 876%)
40K24.85 mi0.85 mi15603+2410333+1810333+1814559(Top 55%)9484(Top 62%)9484(Top 854%)
25.2M25.20 mi0.35 mi15605-210328+510328+515456(Top 58%)9877(Top 65%)9877(Top 890%)
Finish26.22 mi1.02 mi15559+4610298+3010298+3015107(Top 57%)9781(Top 64%)9781(Top 881%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15522

Males

10508

M60-64

10508

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15476

Males

10507

M60-64

10507

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15522

Males

10508

M60-64

10508

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15756

Males

10542

M60-64

10542

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15464

Males

10481

M60-64

10481

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15129

Males

10182

M60-64

10182

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16107

Males

10523

M60-64

10523

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16461

Males

10595

M60-64

10595

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16687

Males

10657

M60-64

10657

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15458

Males

10054

M60-64

10054

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15550

Males

10052

M60-64

10052

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14950

Males

9728

M60-64

9728

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14559

Males

9484

M60-64

9484

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15456

Males

9877

M60-64

9877

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15107

Males

9781

M60-64

9781

Passing Analysis

Category:
Athletes Passed
1695
Passed By
1411
Net Change
+284
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15843
5K → 10K399204+195#15843#15648
10K → 15K207159+48#15648#15600
15K → 20K171198-27#15600#15627
20K → Half3433+1#15627#15626
Half → 25K18373+110#15626#15516
25K → 30K135243-108#15516#15624
30K → 20M78114-36#15624#15660
20M → 21M71126-55#15660#15715
21M → 35K5438+16#15715#15699
35K → 23M9364+29#15699#15670
23M → 24M8542+43#15670#15627
24M → 40K7652+24#15627#15603
40K → 25.2M2628-2#15603#15605
25.2M → Finish8337+46#15605#15559
TOTALS16951411+284
📊

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