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BOSTON MARATHON 2023

Juan Guerra

Bib: 8546•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 21%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #1993
Start → 5K
20:01 | 6:27/mi
10K· 6.21 mi
40:42
Rank: #2799 (-806)
5K → 10K
20:41 | 6:39/mi
15K· 9.32 mi
1:01:25
Rank: #3113 (-314)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:22:22
Rank: #3276 (-163)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:26:54
Rank: #3303 (-27)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:11
Rank: #3298 (+5)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:04:08
Rank: #3109 (+189)
25K → 30K
20:57 | 6:45/mi
20M
2:13:17
Rank: #3031 (+78)
30K → 20M
9:09 | 6:44/mi
21M
2:20:41
Rank: #3089 (-58)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:25:51
Rank: #3131 (-42)
21M → 35K
5:10 | 6:54/mi
23M
2:34:31
Rank: #3111 (+20)
35K → 23M
8:40 | 6:55/mi
24M
2:41:25
Rank: #3159 (-48)
23M → 24M
6:54 | 6:54/mi
40K· 24.85 mi
2:47:34
Rank: #3211 (-52)
24M → 40K
6:09 | 7:12/mi
25.2M
2:50:16
Rank: #3245 (-34)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:57:37
Rank: #3363 (-118)
25.2M → Finish
7:21 | 7:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:54
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:30:43
Pace6:55 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:0720:016:2720:01
6:27
-
10K
6.21 mi11:05:4840:426:3320:41
6:39
+0:12
15K
9.32 mi11:26:311:01:256:3520:43
6:40
+0:01
20K
12.43 mi11:47:281:22:226:3820:57
6:45
+0:05
Half
13.11 mi11:52:001:26:546:384:32
6:39
-0:06
25K
15.53 mi12:08:171:43:116:3916:17
6:43
+0:04
30K
18.64 mi12:29:142:04:086:4020:57
6:45
+0:02
20M
20.00 mi12:38:232:13:176:409:09
6:44
-0:01
21M
21.00 mi12:45:472:20:416:427:24
7:24
+0:40
35K
21.75 mi12:50:572:25:516:425:10
6:54
-0:30
23M
23.00 mi12:59:372:34:316:438:40
6:55
+0:01
24M
24.00 mi13:06:312:41:256:446:54
6:54
-0:01
40K
24.85 mi13:12:402:47:346:456:09
7:12
+0:18
25.2M
25.20 mi13:15:222:50:166:452:42
7:50
+0:38
Finish
26.22 mi13:22:432:57:376:477:21
7:13
-0:37

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

6:27 /mi

Average Pace

6:47 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:01

11% of race

Time at Steady Pace

2:14:00

75% of race

Time at Slower Pace

23:36

13% of race

Average Pace: 6:46 /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 mi10:45:0720:016:2720:01
6:27
#1993
10K
6.21 mi11:05:4840:426:3320:41
6:39
#2799
15K
9.32 mi11:26:311:01:256:3520:43
6:40
#3113
20K
12.43 mi11:47:281:22:226:3820:57
6:45
#3276
Half
13.11 mi11:52:001:26:546:384:32
6:39
#3303
25K
15.53 mi12:08:171:43:116:3916:17
6:43
#3298
30K
18.64 mi12:29:142:04:086:4020:57
6:45
#3109
20M
20.00 mi12:38:232:13:176:409:09
6:44
#3031
21M
21.00 mi12:45:472:20:416:427:24
7:24
#3089
35K
21.75 mi12:50:572:25:516:425:10
6:54
#3131
23M
23.00 mi12:59:372:34:316:438:40
6:55
#3111
24M
24.00 mi13:06:312:41:256:446:54
6:54
#3159
40K
24.85 mi13:12:402:47:346:456:09
7:12
#3211
25.2M
25.20 mi13:15:222:50:166:452:42
7:50
#3245
Finish
26.22 mi13:22:432:57:376:477:21
7:13
#3363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1993190219023822(Top 14%)3593(Top 24%)3593(Top 160%)
10K6.21 mi3.10 mi2799-8062669-7672669-7673936(Top 15%)3706(Top 24%)3706(Top 165%)
15K9.32 mi3.11 mi3113-3142965-2962965-2963822(Top 14%)3593(Top 24%)3593(Top 160%)
20K12.43 mi3.11 mi3276-1633116-1513116-1513910(Top 15%)3684(Top 24%)3684(Top 164%)
Half13.11 mi0.68 mi3303-273141-253141-253765(Top 14%)3549(Top 23%)3549(Top 158%)
25K15.53 mi2.42 mi3298+53139+23139+23482(Top 13%)3295(Top 22%)3295(Top 147%)
30K18.64 mi3.11 mi3109+1892960+1792960+1792654(Top 10%)2522(Top 17%)2522(Top 113%)
20M20.00 mi1.36 mi3031+782888+722888+722462(Top 9%)2337(Top 15%)2337(Top 104%)
21M21.00 mi1.00 mi3089-582934-462934-464103(Top 15%)3772(Top 25%)3772(Top 168%)
35K21.75 mi0.75 mi3131-422970-362970-364758(Top 18%)4294(Top 28%)4294(Top 192%)
23M23.00 mi1.25 mi3111+202953+172953+173361(Top 13%)3114(Top 21%)3114(Top 139%)
24M24.00 mi1.00 mi3159-482996-432996-434140(Top 16%)3766(Top 25%)3766(Top 168%)
40K24.85 mi0.85 mi3211-523038-423038-424807(Top 18%)4207(Top 28%)4207(Top 188%)
25.2M25.20 mi0.35 mi3245-343069-313069-315443(Top 20%)4542(Top 30%)4542(Top 203%)
Finish26.22 mi1.02 mi3363-1183175-1063175-1066478(Top 24%)5229(Top 34%)5229(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3822

Males

3593

M40-44

3593

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3936

Males

3706

M40-44

3706

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3822

Males

3593

M40-44

3593

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3910

Males

3684

M40-44

3684

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3765

Males

3549

M40-44

3549

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3482

Males

3295

M40-44

3295

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2654

Males

2522

M40-44

2522

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2462

Males

2337

M40-44

2337

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4103

Males

3772

M40-44

3772

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4758

Males

4294

M40-44

4294

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3361

Males

3114

M40-44

3114

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4140

Males

3766

M40-44

3766

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4807

Males

4207

M40-44

4207

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5443

Males

4542

M40-44

4542

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6478

Males

5229

M40-44

5229

Passing Analysis

Category:
Athletes Passed
628
Passed By
1998
Net Change
-1370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1993
5K → 10K5811-806#1993#2799
10K → 15K15329-314#2799#3113
15K → 20K41204-163#3113#3276
20K → Half1340-27#3276#3303
Half → 25K7065+5#3303#3298
25K → 30K20920+189#3298#3109
30K → 20M857+78#3109#3031
20M → 21M2785-58#3031#3089
21M → 35K1759-42#3089#3131
35K → 23M6040+20#3131#3111
23M → 24M3179-48#3111#3159
24M → 40K2476-52#3159#3211
40K → 25.2M1246-34#3211#3245
25.2M → Finish19137-118#3245#3363
TOTALS6281998-1370
📊

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