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BOSTON MARATHON 2023

Erik Fonseca

Bib: 6447•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:13
Rank: #7190
Start → 5K
22:13 | 7:09/mi
10K· 6.21 mi
45:19
Rank: #8399 (-1209)
5K → 10K
23:06 | 7:26/mi
15K· 9.32 mi
1:09:14
Rank: #9417 (-1018)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:34:20
Rank: #10623 (-1206)
15K → 20K
25:06 | 8:05/mi
Half· 13.11 mi
1:39:46
Rank: #10814 (-191)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
1:59:47
Rank: #11395 (-581)
Half → 25K
20:01 | 8:15/mi
30K· 18.64 mi
2:26:47
Rank: #12246 (-851)
25K → 30K
27:00 | 8:41/mi
20M
2:38:48
Rank: #12551 (-305)
30K → 20M
12:01 | 8:51/mi
21M
2:48:21
Rank: #12790 (-239)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
2:54:27
Rank: #12792 (-2)
21M → 35K
6:06 | 8:09/mi
23M
3:04:49
Rank: #12714 (+78)
35K → 23M
10:22 | 8:17/mi
24M
3:12:58
Rank: #12687 (+27)
23M → 24M
8:09 | 8:09/mi
40K· 24.85 mi
3:19:44
Rank: #12564 (+123)
24M → 40K
6:46 | 7:55/mi
25.2M
3:22:35
Rank: #12486 (+78)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:29:57
Rank: #12244 (+242)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:46
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:50:11
Pace8:24 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5122:137:0922:13
7:09
-
10K
6.21 mi10:48:5745:197:1823:06
7:26
+0:17
15K
9.32 mi11:12:521:09:147:2623:55
7:42
+0:16
20K
12.43 mi11:37:581:34:207:3525:06
8:05
+0:23
Half
13.11 mi11:43:241:39:467:375:26
7:58
-0:07
25K
15.53 mi12:03:251:59:477:4320:01
8:15
+0:17
30K
18.64 mi12:30:252:26:477:5227:00
8:41
+0:26
20M
20.00 mi12:42:262:38:487:5612:01
8:51
+0:10
21M
21.00 mi12:51:592:48:218:019:33
9:33
+0:42
35K
21.75 mi12:58:052:54:278:016:06
8:09
-1:24
23M
23.00 mi13:08:273:04:498:0210:22
8:17
+0:08
24M
24.00 mi13:16:363:12:588:028:09
8:09
-0:08
40K
24.85 mi13:23:223:19:448:026:46
7:55
-0:14
25.2M
25.20 mi13:26:133:22:358:022:51
8:16
+0:21
Finish
26.22 mi13:33:353:29:578:017:22
7:14
-1:02

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

7:09 /mi

Average Pace

8:01 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:36

36% of race

Time at Steady Pace

1:24:47

40% of race

Time at Slower Pace

48:34

23% of race

Average Pace: 8:00 /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 mi10:25:5122:137:0922:13
7:09
#7190
10K
6.21 mi10:48:5745:197:1823:06
7:26
#8399
15K
9.32 mi11:12:521:09:147:2623:55
7:42
#9417
20K
12.43 mi11:37:581:34:207:3525:06
8:05
#10623
Half
13.11 mi11:43:241:39:467:375:26
7:58
#10814
25K
15.53 mi12:03:251:59:477:4320:01
8:15
#11395
30K
18.64 mi12:30:252:26:477:5227:00
8:41
#12246
20M
20.00 mi12:42:262:38:487:5612:01
8:51
#12551
21M
21.00 mi12:51:592:48:218:019:33
9:33
#12790
35K
21.75 mi12:58:052:54:278:016:06
8:09
#12792
23M
23.00 mi13:08:273:04:498:0210:22
8:17
#12714
24M
24.00 mi13:16:363:12:588:028:09
8:09
#12687
40K
24.85 mi13:23:223:19:448:026:46
7:55
#12564
25.2M
25.20 mi13:26:133:22:358:022:51
8:16
#12486
Finish
26.22 mi13:33:353:29:578:017:22
7:14
#12244
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi71906419641911823(Top 44%)9003(Top 59%)9003(Top 400%)
10K6.21 mi3.10 mi8399-12097213-7947213-7949930(Top 37%)8135(Top 54%)8135(Top 361%)
15K9.32 mi3.11 mi9417-10187821-6087821-60811823(Top 44%)9003(Top 59%)9003(Top 400%)
20K12.43 mi3.11 mi10623-12068470-6498470-64914072(Top 53%)9904(Top 65%)9904(Top 440%)
Half13.11 mi0.68 mi10814-1918549-798549-7914003(Top 53%)9886(Top 65%)9886(Top 439%)
25K15.53 mi2.42 mi11395-5818792-2438792-24314620(Top 55%)9999(Top 66%)9999(Top 444%)
30K18.64 mi3.11 mi12246-8519106-3149106-31415446(Top 58%)10232(Top 67%)10232(Top 454%)
20M20.00 mi1.36 mi12551-3059231-1259231-12515654(Top 59%)10266(Top 68%)10266(Top 456%)
21M21.00 mi1.00 mi12790-2399305-749305-7416172(Top 61%)10421(Top 69%)10421(Top 463%)
35K21.75 mi0.75 mi12792-29295+109295+1013110(Top 49%)9025(Top 59%)9025(Top 401%)
23M23.00 mi1.25 mi12714+789237+589237+5811729(Top 44%)8347(Top 55%)8347(Top 371%)
24M24.00 mi1.00 mi12687+279205+329205+3212231(Top 46%)8504(Top 56%)8504(Top 378%)
40K24.85 mi0.85 mi12564+1239136+699136+699437(Top 35%)7064(Top 47%)7064(Top 314%)
25.2M25.20 mi0.35 mi12486+789093+439093+438091(Top 30%)6251(Top 41%)6251(Top 278%)
Finish26.22 mi1.02 mi12244+2428968+1258968+1256630(Top 25%)5341(Top 35%)5341(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11823

Males

9003

M45-49

9003

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9930

Males

8135

M45-49

8135

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11823

Males

9003

M45-49

9003

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14072

Males

9904

M45-49

9904

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14003

Males

9886

M45-49

9886

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14620

Males

9999

M45-49

9999

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15446

Males

10232

M45-49

10232

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15654

Males

10266

M45-49

10266

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16172

Males

10421

M45-49

10421

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13110

Males

9025

M45-49

9025

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11729

Males

8347

M45-49

8347

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12231

Males

8504

M45-49

8504

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9437

Males

7064

M45-49

7064

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8091

Males

6251

M45-49

6251

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6630

Males

5341

M45-49

5341

Passing Analysis

Category:
Athletes Passed
905
Passed By
5957
Net Change
-5054
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7190
5K → 10K131222-1209#7190#8399
10K → 15K161034-1018#8399#9417
15K → 20K111215-1206#9417#10623
20K → Half1192-191#10623#10814
Half → 25K30611-581#10814#11395
25K → 30K42893-851#11395#12246
30K → 20M34339-305#12246#12551
20M → 21M41280-239#12551#12790
21M → 35K5254-2#12790#12792
35K → 23M12042+78#12792#12714
23M → 24M8154+27#12714#12687
24M → 40K13512+123#12687#12564
40K → 25.2M813+78#12564#12486
25.2M → Finish2486+242#12486#12244
TOTALS9055957-5054
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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