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BOSTON MARATHON 2023

Hernando Guzman

Bib: 10928•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M45-49)
#0 / 2252
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
7:25/mi
23:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:12
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:32:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:37:38
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:56:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:20:31
↑ 181↓ 1480.2%
20M
7:57/mi
2:31:19
↑ 64↓ 500.2%
21M
8:17/mi
2:39:36
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:45:05
↑ 17↓ 861.7%
23M
7:55/mi
2:55:00
↑ 23↓ 630.6%
24M
7:57/mi
3:02:57
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:10:06
↓ 200.3%
25.2M
9:02/mi
3:13:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:21:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:38
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:43:59
Pace7:56 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2123:017:2523:01
7:25
-
10K
6.21 mi11:12:2046:007:2422:59
7:24
-0:01
15K
9.32 mi11:35:321:09:127:2523:12
7:28
+0:04
20K
12.43 mi11:58:561:32:367:2723:24
7:32
+0:04
Half
13.11 mi12:03:581:37:387:275:02
7:23
-0:09
25K
15.53 mi12:22:331:56:137:2918:35
7:40
+0:17
30K
18.64 mi12:46:512:20:317:3224:18
7:49
+0:09
20M
20.00 mi12:57:392:31:197:3410:48
7:57
+0:08
21M
21.00 mi13:05:562:39:367:368:17
8:17
+0:20
35K
21.75 mi13:11:252:45:057:355:29
7:20
-0:57
23M
23.00 mi13:21:202:55:007:379:55
7:55
+0:35
24M
24.00 mi13:29:173:02:577:377:57
7:57
+0:02
40K
24.85 mi13:36:263:10:067:397:09
8:22
+0:25
25.2M
25.20 mi13:39:333:13:137:403:07
9:02
+0:40
Finish
26.22 mi13:47:573:21:377:428:24
8:15
-0:47

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

7:20 /mi

Average Pace

7:42 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:07

51% of race

Time at Steady Pace

1:11:33

35% of race

Time at Slower Pace

26:57

13% of race

Average Pace: 7:41 /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 mi10:49:2123:017:2523:01
7:25
#8878
10K
6.21 mi11:12:2046:007:2422:59
7:24
#9202
15K
9.32 mi11:35:321:09:127:2523:12
7:28
#9389
20K
12.43 mi11:58:561:32:367:2723:24
7:32
#9420
Half
13.11 mi12:03:581:37:387:275:02
7:23
#9404
25K
15.53 mi12:22:331:56:137:2918:35
7:40
#9486
30K
18.64 mi12:46:512:20:317:3224:18
7:49
#9465
20M
20.00 mi12:57:392:31:197:3410:48
7:57
#9494
21M
21.00 mi13:05:562:39:367:368:17
8:17
#9427
35K
21.75 mi13:11:252:45:057:355:29
7:20
#9323
23M
23.00 mi13:21:202:55:007:379:55
7:55
#9278
24M
24.00 mi13:29:173:02:577:377:57
7:57
#9317
40K
24.85 mi13:36:263:10:067:397:09
8:22
#9439
25.2M
25.20 mi13:39:333:13:137:403:07
9:02
#9466
Finish
26.22 mi13:47:573:21:377:428:24
8:15
#9623
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8878752075209904(Top 37%)8094(Top 53%)8094(Top 359%)
10K6.21 mi3.10 mi9202-3247694-1747694-1749596(Top 36%)7924(Top 52%)7924(Top 352%)
15K9.32 mi3.11 mi9389-1877803-1097803-1099904(Top 37%)8094(Top 53%)8094(Top 359%)
20K12.43 mi3.11 mi9420-317808-57808-59553(Top 36%)7830(Top 52%)7830(Top 348%)
Half13.11 mi0.68 mi9404+167793+157793+159215(Top 35%)7650(Top 50%)7650(Top 340%)
25K15.53 mi2.42 mi9486-827836-437836-4310013(Top 38%)7987(Top 53%)7987(Top 355%)
30K18.64 mi3.11 mi9465+217780+567780+569516(Top 36%)7570(Top 50%)7570(Top 336%)
20M20.00 mi1.36 mi9494-297779+17779+19863(Top 37%)7674(Top 51%)7674(Top 341%)
21M21.00 mi1.00 mi9427+677712+677712+679124(Top 34%)7139(Top 47%)7139(Top 317%)
35K21.75 mi0.75 mi9323+1047628+847628+847336(Top 28%)6109(Top 40%)6109(Top 271%)
23M23.00 mi1.25 mi9278+457576+527576+529195(Top 35%)7063(Top 47%)7063(Top 314%)
24M24.00 mi1.00 mi9317-397587-117587-1110852(Top 41%)7825(Top 52%)7825(Top 347%)
40K24.85 mi0.85 mi9439-1227621-347621-3412418(Top 47%)8499(Top 56%)8499(Top 377%)
25.2M25.20 mi0.35 mi9466-277628-77628-712657(Top 48%)8570(Top 56%)8570(Top 381%)
Finish26.22 mi1.02 mi9623-1577684-567684-5613686(Top 51%)9091(Top 60%)9091(Top 404%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9904

Males

8094

M45-49

8094

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9596

Males

7924

M45-49

7924

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9904

Males

8094

M45-49

8094

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9553

Males

7830

M45-49

7830

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9215

Males

7650

M45-49

7650

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10013

Males

7987

M45-49

7987

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9516

Males

7570

M45-49

7570

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9863

Males

7674

M45-49

7674

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9124

Males

7139

M45-49

7139

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7336

Males

6109

M45-49

6109

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9195

Males

7063

M45-49

7063

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10852

Males

7825

M45-49

7825

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12418

Males

8499

M45-49

8499

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12657

Males

8570

M45-49

8570

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13686

Males

9091

M45-49

9091

Passing Analysis

Category:
Athletes Passed
1199*
Passed By
1944
Net Change
-745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8878
5K → 10K146470-324#8878#9202
10K → 15K96283-187#9202#9389
15K → 20K127158-31#9389#9420
20K → Half3216+16#9420#9404
Half → 25K91173-82#9404#9486
25K → 30K186*165+21#9486#9465
30K → 20M75104-29#9465#9494
20M → 21M10942+67#9494#9427
21M → 35K1106+104#9427#9323
35K → 23M9651+45#9323#9278
23M → 24M5190-39#9278#9317
24M → 40K38160-122#9317#9439
40K → 25.2M1744-27#9439#9466
25.2M → Finish25182-157#9466#9623
TOTALS1199*1944-745

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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