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BOSTON MARATHON 2023

Michael Eckford

Bib: 10023•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M50-54)
#0 / 2052
Top 32%
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
7:24/mi
22:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
45:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:07:40
↑ 67↓ 78
20K· 12.43 mi
7:14/mi
1:30:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:35:03
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:52:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:16:54
↑ 181↓ 1480.2%
20M
7:49/mi
2:27:32
↑ 64↓ 500.2%
21M
8:26/mi
2:35:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:32/mi
2:41:36
↑ 17↓ 861.7%
23M
8:26/mi
2:52:09
↑ 23↓ 630.6%
24M
7:46/mi
2:59:55
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:07:03
↓ 200.3%
25.2M
9:20/mi
3:10:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:18:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:03
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:43:37
Pace7:54 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2622:587:2422:58
7:24
-
10K
6.21 mi11:11:4445:167:1722:18
7:11
-0:13
15K
9.32 mi11:34:081:07:407:1622:24
7:13
+0:02
20K
12.43 mi11:56:371:30:097:1522:29
7:14
+0:01
Half
13.11 mi12:01:311:35:037:154:54
7:11
-0:03
25K
15.53 mi12:19:271:52:597:1617:56
7:24
+0:13
30K
18.64 mi12:43:222:16:547:2123:55
7:42
+0:18
20M
20.00 mi12:54:002:27:327:2310:38
7:49
+0:07
21M
21.00 mi13:02:262:35:587:268:26
8:26
+0:37
35K
21.75 mi13:08:042:41:367:265:38
7:32
-0:54
23M
23.00 mi13:18:372:52:097:2910:33
8:26
+0:54
24M
24.00 mi13:26:232:59:557:307:46
7:46
-0:40
40K
24.85 mi13:33:313:07:037:327:08
8:21
+0:35
25.2M
25.20 mi13:36:443:10:167:333:13
9:20
+0:59
Finish
26.22 mi13:45:083:18:407:358:24
8:15
-1:05

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

7:11 /mi

Average Pace

7:35 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:05

36% of race

Time at Steady Pace

1:28:51

45% of race

Time at Slower Pace

37:44

19% of race

Average Pace: 7:35 /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 mi10:49:2622:587:2422:58
7:24
#8762
10K
6.21 mi11:11:4445:167:1722:18
7:11
#8339
15K
9.32 mi11:34:081:07:407:1622:24
7:13
#8160
20K
12.43 mi11:56:371:30:097:1522:29
7:14
#7924
Half
13.11 mi12:01:311:35:037:154:54
7:11
#7910
25K
15.53 mi12:19:271:52:597:1617:56
7:24
#7886
30K
18.64 mi12:43:222:16:547:2123:55
7:42
#7971
20M
20.00 mi12:54:002:27:327:2310:38
7:49
#7995
21M
21.00 mi13:02:262:35:587:268:26
8:26
#8088
35K
21.75 mi13:08:042:41:367:265:38
7:32
#8102
23M
23.00 mi13:18:372:52:097:2910:33
8:26
#8355
24M
24.00 mi13:26:232:59:557:307:46
7:46
#8377
40K
24.85 mi13:33:313:07:037:327:08
8:21
#8514
25.2M
25.20 mi13:36:443:10:167:333:13
9:20
#8608
Finish
26.22 mi13:45:083:18:407:358:24
8:15
#8788
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8762745574557860(Top 30%)6829(Top 45%)6829(Top 333%)
10K6.21 mi3.10 mi8339+4237173+2827173+2827944(Top 30%)6900(Top 45%)6900(Top 336%)
15K9.32 mi3.11 mi8160+1797056+1177056+1177860(Top 30%)6829(Top 45%)6829(Top 333%)
20K12.43 mi3.11 mi7924+2366890+1666890+1667338(Top 28%)6454(Top 43%)6454(Top 315%)
Half13.11 mi0.68 mi7910+146876+146876+147732(Top 29%)6739(Top 44%)6739(Top 328%)
25K15.53 mi2.42 mi7886+246841+356841+357990(Top 30%)6801(Top 45%)6801(Top 331%)
30K18.64 mi3.11 mi7971-856856-156856-158622(Top 32%)7050(Top 46%)7050(Top 344%)
20M20.00 mi1.36 mi7995-246853+36853+39042(Top 34%)7217(Top 48%)7217(Top 352%)
21M21.00 mi1.00 mi8088-936896-436896-4310042(Top 38%)7621(Top 50%)7621(Top 371%)
35K21.75 mi0.75 mi8102-146889+76889+78696(Top 33%)6913(Top 46%)6913(Top 337%)
23M23.00 mi1.25 mi8355-2537036-1477036-14712720(Top 48%)8778(Top 58%)8778(Top 428%)
24M24.00 mi1.00 mi8377-227025+117025+119510(Top 36%)7158(Top 47%)7158(Top 349%)
40K24.85 mi0.85 mi8514-1377091-667091-6612290(Top 46%)8446(Top 56%)8446(Top 412%)
25.2M25.20 mi0.35 mi8608-947138-477138-4714225(Top 53%)9318(Top 61%)9318(Top 454%)
Finish26.22 mi1.02 mi8788-1807219-817219-8113684(Top 51%)9089(Top 60%)9089(Top 443%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7860

Males

6829

M50-54

6829

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7944

Males

6900

M50-54

6900

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7860

Males

6829

M50-54

6829

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7338

Males

6454

M50-54

6454

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7732

Males

6739

M50-54

6739

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7990

Males

6801

M50-54

6801

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8622

Males

7050

M50-54

7050

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9042

Males

7217

M50-54

7217

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10042

Males

7621

M50-54

7621

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8696

Males

6913

M50-54

6913

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12720

Males

8778

M50-54

8778

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9510

Males

7158

M50-54

7158

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12290

Males

8446

M50-54

8446

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14225

Males

9318

M50-54

9318

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13684

Males

9089

M50-54

9089

Passing Analysis

Category:
Athletes Passed
1541
Passed By
1567
Net Change
-26
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8762
5K → 10K51390+423#8762#8339
10K → 15K23253+179#8339#8160
15K → 20K26125+236#8160#7924
20K → Half2915+14#7924#7910
Half → 25K10985+24#7910#7886
25K → 30K96181-85#7886#7971
30K → 20M7498-24#7971#7995
20M → 21M45138-93#7995#8088
21M → 35K3751-14#8088#8102
35K → 23M28281-253#8102#8355
23M → 24M5981-22#8355#8377
24M → 40K30167-137#8377#8514
40K → 25.2M7101-94#8514#8608
25.2M → Finish21201-180#8608#8788
TOTALS15411567-26
📊

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