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BOSTON MARATHON 2023

Daniel Lazarine

Bib: 10812•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
7:17/mi
22:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
44:36
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:06:16
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:28:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:33:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:51:17
↑ 66↓ 880.2%
30K· 18.64 mi
14:57/mi
2:37:45
↑ 181↓ 1480.2%
20M
14:57/mi
2:58:04
↑ 64↓ 500.2%
21M
14:57/mi
3:13:01
↑ 106↓ 241.6%
35K· 21.75 mi
17:04/mi
3:25:47
↑ 17↓ 861.7%
23M
16:39/mi
3:46:38
↑ 23↓ 630.6%
24M
19:56/mi
4:06:34
↓ 821.3%
40K· 24.85 mi
19:56/mi
4:23:37
↓ 200.3%
25.2M
19:56/mi
4:30:30
↑ 13↓ 160.2%
Finish· 26.22 mi
19:56/mi
4:50:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:20
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time3:17:29
Pace15:04 /mi
📊Positive Split: 111.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4522:397:1722:39
7:17
-
10K
6.21 mi11:11:4244:367:1121:57
7:04
-0:13
15K
9.32 mi11:33:221:06:167:0721:40
6:58
-0:06
20K
12.43 mi11:55:351:28:297:0722:13
7:09
+0:11
Half
13.11 mi12:00:261:33:207:074:51
7:07
-0:02
25K
15.53 mi12:18:231:51:177:1017:57
7:24
+0:17
30K
18.64 mi13:04:512:37:458:2846:28
14:57
+7:33
20M
20.00 mi13:25:102:58:048:5420:19
14:57
0:00
21M
21.00 mi13:40:073:13:019:1114:57
14:57
0:00
35K
21.75 mi13:52:533:25:479:2812:46
17:04
+2:07
23M
23.00 mi14:13:443:46:389:5120:51
16:39
-0:25
24M
24.00 mi14:33:404:06:3410:1619:56
19:56
+3:17
40K
24.85 mi14:50:434:23:3710:3617:03
19:56
0:00
25.2M
25.20 mi14:57:364:30:3010:446:53
19:56
0:00
Finish
26.22 mi15:17:554:50:4911:0620:19
19:56
0:00

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

6:58 /mi

Average Pace

11:06 /mi

Slowest Pace

19:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:17

38% of race

Time at Steady Pace

1:55:21

40% of race

Time at Slower Pace

1:04:11

22% of race

Average Pace: 11:05 /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 mi10:49:4522:397:1722:39
7:17
#8052
10K
6.21 mi11:11:4244:367:1121:57
7:04
#7619
15K
9.32 mi11:33:221:06:167:0721:40
6:58
#7168
20K
12.43 mi11:55:351:28:297:0722:13
7:09
#7056
Half
13.11 mi12:00:261:33:207:074:51
7:07
#7057
25K
15.53 mi12:18:231:51:177:1017:57
7:24
#7149
30K
18.64 mi13:04:512:37:458:2846:28
14:57
#16538
20M
20.00 mi13:25:102:58:048:5420:19
14:57
#18887
21M
21.00 mi13:40:073:13:019:1114:57
14:57
#19910
35K
21.75 mi13:52:533:25:479:2812:46
17:04
#20838
23M
23.00 mi14:13:443:46:389:5120:51
16:39
#21885
24M
24.00 mi14:33:404:06:3410:1619:56
19:56
#22802
40K
24.85 mi14:50:434:23:3710:3617:03
19:56
#23433
25.2M
25.20 mi14:57:364:30:3010:446:53
19:56
#23639
Finish
26.22 mi15:17:554:50:4911:0620:19
19:56
#24238
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8052701270126404(Top 24%)5779(Top 38%)5779(Top 406%)
10K6.21 mi3.10 mi7619+4336721+2916721+2917213(Top 27%)6391(Top 42%)6391(Top 449%)
15K9.32 mi3.11 mi7168+4516380+3416380+3416404(Top 24%)5779(Top 38%)5779(Top 406%)
20K12.43 mi3.11 mi7056+1126290+906290+906820(Top 26%)6082(Top 40%)6082(Top 428%)
Half13.11 mi0.68 mi7057-16288+26288+27256(Top 27%)6425(Top 42%)6425(Top 452%)
25K15.53 mi2.42 mi7149-926343-556343-558056(Top 30%)6841(Top 45%)6841(Top 481%)
30K18.64 mi3.11 mi16538-938910812-446910812-446926405(Top 99%)15068(Top 99%)15068(Top 1060%)
20M20.00 mi1.36 mi18887-234911773-96111773-96126281(Top 99%)14984(Top 99%)14984(Top 1054%)
21M21.00 mi1.00 mi19910-102312199-42612199-42625700(Top 97%)14726(Top 97%)14726(Top 1036%)
35K21.75 mi0.75 mi20838-92812584-38512584-38526569(Top 100%)15144(Top 100%)15144(Top 1065%)
23M23.00 mi1.25 mi21885-104713058-47413058-47426540(Top 100%)15127(Top 100%)15127(Top 1064%)
24M24.00 mi1.00 mi22802-91713447-38913447-38926611(Top 100%)15170(Top 100%)15170(Top 1067%)
40K24.85 mi0.85 mi23433-63113748-30113748-30126604(Top 100%)15166(Top 100%)15166(Top 1067%)
25.2M25.20 mi0.35 mi23639-20613846-9813846-9826583(Top 100%)15151(Top 100%)15151(Top 1065%)
Finish26.22 mi1.02 mi24238-59914107-26114107-26126611(Top 100%)15167(Top 100%)15167(Top 1067%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6404

Males

5779

M55-59

5779

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7213

Males

6391

M55-59

6391

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6404

Males

5779

M55-59

5779

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

6820

Males

6082

M55-59

6082

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7256

Males

6425

M55-59

6425

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8056

Males

6841

M55-59

6841

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26405

Males

15068

M55-59

15068

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26281

Males

14984

M55-59

14984

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25700

Males

14726

M55-59

14726

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

26569

Males

15144

M55-59

15144

35K→23M

21.8 - 23.0 mi

Top 100%
×5story building
+23ft-63ft

Overall

26540

Males

15127

M55-59

15127

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26611

Males

15170

M55-59

15170

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26604

Males

15166

M55-59

15166

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26583

Males

15151

M55-59

15151

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26611

Males

15167

M55-59

15167

Passing Analysis

Category:
Athletes Passed
1239
Passed By
17423
Net Change
-16186
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8052
5K → 10K51784+433#8052#7619
10K → 15K46615+451#7619#7168
15K → 20K16048+112#7168#7056
20K → Half1819-1#7056#7057
Half → 25K63155-92#7057#7149
25K → 30K09387-9389#7149#16538
30K → 20M32352-2349#16538#18887
20M → 21M41027-1023#18887#19910
21M → 35K2930-928#19910#20838
35K → 23M51052-1047#20838#21885
23M → 24M0917-917#21885#22802
24M → 40K1632-631#22802#23433
40K → 25.2M0206-206#23433#23639
25.2M → Finish0599-599#23639#24238
TOTALS123917423-16186
📊

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