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BOSTON MARATHON 2023

Samuel Romo

Bib: 3410•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #2582
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:32
Rank: #2649 (-67)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:01:02
Rank: #2815 (-166)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:21:52
Rank: #2996 (-181)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:26:30
Rank: #3087 (-91)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:43:00
Rank: #3213 (-126)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:04:31
Rank: #3280 (-67)
25K → 30K
21:31 | 6:56/mi
20M
2:14:03
Rank: #3308 (-28)
30K → 20M
9:32 | 7:01/mi
21M
2:21:34
Rank: #3372 (-64)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:26:46
Rank: #3433 (-61)
21M → 35K
5:12 | 6:57/mi
23M
2:35:41
Rank: #3481 (-48)
35K → 23M
8:55 | 7:07/mi
24M
2:42:41
Rank: #3544 (-63)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:48:57
Rank: #3625 (-81)
24M → 40K
6:16 | 7:20/mi
25.2M
2:51:45
Rank: #3722 (-97)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:59:07
Rank: #3892 (-170)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:30
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:32:37
Pace7:04 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4420:226:3320:22
6:33
-
10K
6.21 mi10:41:5440:326:3120:10
6:29
-0:04
15K
9.32 mi11:02:241:01:026:3320:30
6:36
+0:07
20K
12.43 mi11:23:141:21:526:3520:50
6:42
+0:06
Half
13.11 mi11:27:521:26:306:364:38
6:47
+0:05
25K
15.53 mi11:44:221:43:006:3816:30
6:48
+0:01
30K
18.64 mi12:05:532:04:316:4121:31
6:56
+0:08
20M
20.00 mi12:15:252:14:036:429:32
7:01
+0:05
21M
21.00 mi12:22:562:21:346:447:31
7:31
+0:30
35K
21.75 mi12:28:082:26:466:455:12
6:57
-0:34
23M
23.00 mi12:37:032:35:416:468:55
7:07
+0:10
24M
24.00 mi12:44:032:42:416:477:00
7:00
-0:07
40K
24.85 mi12:50:192:48:576:486:16
7:20
+0:20
25.2M
25.20 mi12:53:072:51:456:492:48
8:07
+0:47
Finish
26.22 mi13:00:292:59:076:507:22
7:14
-0:53

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

6:29 /mi

Average Pace

6:50 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:52

46% of race

Time at Steady Pace

1:13:18

41% of race

Time at Slower Pace

23:57

13% of race

Average Pace: 6:50 /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 mi10:21:4420:226:3320:22
6:33
#2582
10K
6.21 mi10:41:5440:326:3120:10
6:29
#2649
15K
9.32 mi11:02:241:01:026:3320:30
6:36
#2815
20K
12.43 mi11:23:141:21:526:3520:50
6:42
#2996
Half
13.11 mi11:27:521:26:306:364:38
6:47
#3087
25K
15.53 mi11:44:221:43:006:3816:30
6:48
#3213
30K
18.64 mi12:05:532:04:316:4121:31
6:56
#3280
20M
20.00 mi12:15:252:14:036:429:32
7:01
#3308
21M
21.00 mi12:22:562:21:346:447:31
7:31
#3372
35K
21.75 mi12:28:082:26:466:455:12
6:57
#3433
23M
23.00 mi12:37:032:35:416:468:55
7:07
#3481
24M
24.00 mi12:44:032:42:416:477:00
7:00
#3544
40K
24.85 mi12:50:192:48:576:486:16
7:20
#3625
25.2M
25.20 mi12:53:072:51:456:492:48
8:07
#3722
Finish
26.22 mi13:00:292:59:076:507:22
7:14
#3892
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2582246124613286(Top 12%)3121(Top 21%)3121(Top 59%)
10K6.21 mi3.10 mi2649-672529-682529-682734(Top 10%)2615(Top 17%)2615(Top 49%)
15K9.32 mi3.11 mi2815-1662687-1582687-1583286(Top 12%)3121(Top 21%)3121(Top 59%)
20K12.43 mi3.11 mi2996-1812859-1722859-1723631(Top 14%)3436(Top 23%)3436(Top 65%)
Half13.11 mi0.68 mi3087-912943-842943-845114(Top 19%)4724(Top 31%)4724(Top 89%)
25K15.53 mi2.42 mi3213-1263061-1183061-1184190(Top 16%)3921(Top 26%)3921(Top 74%)
30K18.64 mi3.11 mi3280-673117-563117-563838(Top 14%)3597(Top 24%)3597(Top 68%)
20M20.00 mi1.36 mi3308-283134-173134-174107(Top 15%)3797(Top 25%)3797(Top 72%)
21M21.00 mi1.00 mi3372-643193-593193-594635(Top 17%)4201(Top 28%)4201(Top 79%)
35K21.75 mi0.75 mi3433-613250-573250-575026(Top 19%)4501(Top 30%)4501(Top 85%)
23M23.00 mi1.25 mi3481-483291-413291-414390(Top 16%)3999(Top 26%)3999(Top 76%)
24M24.00 mi1.00 mi3544-633349-583349-584654(Top 17%)4168(Top 27%)4168(Top 79%)
40K24.85 mi0.85 mi3625-813416-673416-675591(Top 21%)4738(Top 31%)4738(Top 90%)
25.2M25.20 mi0.35 mi3722-973497-813497-817081(Top 27%)5595(Top 37%)5595(Top 106%)
Finish26.22 mi1.02 mi3892-1703650-1533650-1536588(Top 25%)5299(Top 35%)5299(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3286

Males

3121

M18-39

3121

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2734

Males

2615

M18-39

2615

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3286

Males

3121

M18-39

3121

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3631

Males

3436

M18-39

3436

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5114

Males

4724

M18-39

4724

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4190

Males

3921

M18-39

3921

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3838

Males

3597

M18-39

3597

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4107

Males

3797

M18-39

3797

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4635

Males

4201

M18-39

4201

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5026

Males

4501

M18-39

4501

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4390

Males

3999

M18-39

3999

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4654

Males

4168

M18-39

4168

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5591

Males

4738

M18-39

4738

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7081

Males

5595

M18-39

5595

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6588

Males

5299

M18-39

5299

Passing Analysis

Category:
Athletes Passed
491
Passed By
1801
Net Change
-1310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2582
5K → 10K117184-67#2582#2649
10K → 15K31197-166#2649#2815
15K → 20K24205-181#2815#2996
20K → Half293-91#2996#3087
Half → 25K27153-126#3087#3213
25K → 30K72139-67#3213#3280
30K → 20M5684-28#3280#3308
20M → 21M3599-64#3308#3372
21M → 35K1576-61#3372#3433
35K → 23M4593-48#3433#3481
23M → 24M2083-63#3481#3544
24M → 40K26107-81#3544#3625
40K → 25.2M6103-97#3625#3722
25.2M → Finish15185-170#3722#3892
TOTALS4911801-1310
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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