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BOSTON MARATHON 2023

Carlos Heras

FL

Bib: 6668 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 28%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:47/mi
21:04
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:43/mi
41:55
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:48/mi
1:03:02
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:53/mi
1:24:25
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:47/mi
1:29:03
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:55/mi
1:45:50
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:15/mi
2:08:21
↑ 181↓ 1480.2%
138 ft elev
20M
7:35/mi
2:18:39
↑ 64↓ 500.2%
148 ft elev
21M
8:37/mi
2:27:16
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:00/mi
2:33:15
↑ 17↓ 861.7%
156 ft elev
23M
8:33/mi
2:43:57
↑ 23↓ 630.6%
116 ft elev
24M
8:49/mi
2:52:46
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:05/mi
3:00:32
↓ 200.3%
20 ft elev
25.2M
10:47/mi
3:04:15
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:02/mi
3:13:27
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:03
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:44:24
Pace7:58 /mi
📊Positive Split: 17.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2121:046:4721:04
6:47
-
10K
6.21 mi10:45:1241:556:4520:51
6:43
-0:04
15K
9.32 mi11:06:191:03:026:4621:07
6:48
+0:05
20K
12.43 mi11:27:421:24:256:4821:23
6:53
+0:05
Half
13.11 mi11:32:201:29:036:484:38
6:47
-0:06
25K
15.53 mi11:49:071:45:506:4916:47
6:55
+0:08
30K
18.64 mi12:11:382:08:216:5322:31
7:15
+0:20
20M
20.00 mi12:21:562:18:396:5610:18
7:35
+0:20
21M
21.00 mi12:30:332:27:167:018:37
8:37
+1:02
35K
21.75 mi12:36:322:33:157:035:59
8:00
-0:37
23M
23.00 mi12:47:142:43:577:0810:42
8:33
+0:33
24M
24.00 mi12:56:032:52:467:128:49
8:49
+0:16
40K
24.85 mi13:03:493:00:327:167:46
9:05
+0:16
25.2M
25.20 mi13:07:323:04:157:193:43
10:47
+1:42
Finish
26.22 mi13:16:443:13:277:239:12
9:02
-1:45

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

6:43 /mi

Average Pace

7:23 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:50

55% of race

Time at Steady Pace

38:48

20% of race

Time at Slower Pace

48:49

25% of race

Average Pace: 7:23 /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 mi10:24:2121:046:4721:04
6:47
#4510
10K
6.21 mi10:45:1241:556:4520:51
6:43
#4446
15K
9.32 mi11:06:191:03:026:4621:07
6:48
#4637
20K
12.43 mi11:27:421:24:256:4821:23
6:53
#4771
Half
13.11 mi11:32:201:29:036:484:38
6:47
#4799
25K
15.53 mi11:49:071:45:506:4916:47
6:55
#4826
30K
18.64 mi12:11:382:08:216:5322:31
7:15
#5048
20M
20.00 mi12:21:562:18:396:5610:18
7:35
#5246
21M
21.00 mi12:30:332:27:167:018:37
8:37
#5501
35K
21.75 mi12:36:322:33:157:035:59
8:00
#5670
23M
23.00 mi12:47:142:43:577:0810:42
8:33
#5975
24M
24.00 mi12:56:032:52:467:128:49
8:49
#6313
40K
24.85 mi13:03:493:00:327:167:46
9:05
#6610
25.2M
25.20 mi13:07:323:04:157:193:43
10:47
#6831
Finish
26.22 mi13:16:443:13:277:239:12
9:02
#7280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4510421242125097(Top 19%)4724(Top 31%)4724(Top 211%)
10K6.21 mi3.10 mi4446+644160+524160+524460(Top 17%)4171(Top 27%)4171(Top 186%)
15K9.32 mi3.11 mi4637-1914325-1654325-1655097(Top 19%)4724(Top 31%)4724(Top 211%)
20K12.43 mi3.11 mi4771-1344450-1254450-1255216(Top 20%)4820(Top 32%)4820(Top 215%)
Half13.11 mi0.68 mi4799-284472-224472-225253(Top 20%)4863(Top 32%)4863(Top 217%)
25K15.53 mi2.42 mi4826-274490-184490-185118(Top 19%)4728(Top 31%)4728(Top 211%)
30K18.64 mi3.11 mi5048-2224683-1934683-1935763(Top 22%)5195(Top 34%)5195(Top 232%)
20M20.00 mi1.36 mi5246-1984848-1654848-1657340(Top 28%)6178(Top 41%)6178(Top 276%)
21M21.00 mi1.00 mi5501-2555052-2045052-20411107(Top 42%)8156(Top 54%)8156(Top 364%)
35K21.75 mi0.75 mi5670-1695192-1405192-14012046(Top 45%)8555(Top 56%)8555(Top 382%)
23M23.00 mi1.25 mi5975-3055400-2085400-20813474(Top 51%)9122(Top 60%)9122(Top 407%)
24M24.00 mi1.00 mi6313-3385648-2485648-24816245(Top 61%)10269(Top 68%)10269(Top 458%)
40K24.85 mi0.85 mi6610-2975842-1945842-19416529(Top 62%)10354(Top 68%)10354(Top 462%)
25.2M25.20 mi0.35 mi6831-2215992-1505992-15019862(Top 75%)11841(Top 78%)11841(Top 528%)
Finish26.22 mi1.02 mi7280-4496264-2726264-27218075(Top 68%)11104(Top 73%)11104(Top 495%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5097

Males

4724

M40-44

4724

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4460

Males

4171

M40-44

4171

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5097

Males

4724

M40-44

4724

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5216

Males

4820

M40-44

4820

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5253

Males

4863

M40-44

4863

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5118

Males

4728

M40-44

4728

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5763

Males

5195

M40-44

5195

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7340

Males

6178

M40-44

6178

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11107

Males

8156

M40-44

8156

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12046

Males

8555

M40-44

8555

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13474

Males

9122

M40-44

9122

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16245

Males

10269

M40-44

10269

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16529

Males

10354

M40-44

10354

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19862

Males

11841

M40-44

11841

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18075

Males

11104

M40-44

11104

Passing Analysis

Category:
Athletes Passed
627
Passed By
3397
Net Change
-2770
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4510
5K → 10K239175+64#4510#4446
10K → 15K63254-191#4446#4637
15K → 20K54188-134#4637#4771
20K → Half1846-28#4771#4799
Half → 25K87114-27#4799#4826
25K → 30K77299-222#4826#5048
30K → 20M23221-198#5048#5246
20M → 21M13268-255#5246#5501
21M → 35K6175-169#5501#5670
35K → 23M15320-305#5670#5975
23M → 24M15353-338#5975#6313
24M → 40K9306-297#6313#6610
40K → 25.2M4225-221#6610#6831
25.2M → Finish4453-449#6831#7280
TOTALS6273397-2770
📊

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