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BOSTON MARATHON 2023

Ricardo Unda

Bib: 12106•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
8:26/mi
26:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:31/mi
52:40
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:19:46
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:47:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:52:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
2:14:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:42:26
↑ 181↓ 1480.2%
20M
8:48/mi
2:54:23
↑ 64↓ 500.2%
21M
9:17/mi
3:03:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
3:10:00
↑ 17↓ 861.7%
23M
8:41/mi
3:20:52
↑ 23↓ 630.6%
24M
8:23/mi
3:29:15
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:36:18
↓ 200.3%
25.2M
8:54/mi
3:39:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:06/mi
3:47:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:56
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time1:54:41
Pace8:45 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0326:118:2626:11
8:26
-
10K
6.21 mi11:20:3252:408:2926:29
8:31
+0:05
15K
9.32 mi11:47:381:19:468:3327:06
8:43
+0:12
20K
12.43 mi12:15:011:47:098:3727:23
8:49
+0:06
Half
13.11 mi12:20:481:52:568:375:47
8:29
-0:20
25K
15.53 mi12:42:052:14:138:3821:17
8:47
+0:18
30K
18.64 mi13:10:182:42:268:4328:13
9:05
+0:18
20M
20.00 mi13:22:152:54:238:4311:57
8:48
-0:17
21M
21.00 mi13:31:323:03:408:459:17
9:17
+0:29
35K
21.75 mi13:37:523:10:008:446:20
8:28
-0:49
23M
23.00 mi13:48:443:20:528:4410:52
8:41
+0:13
24M
24.00 mi13:57:073:29:158:438:23
8:23
-0:18
40K
24.85 mi14:04:103:36:188:427:03
8:15
-0:08
25.2M
25.20 mi14:07:143:39:228:423:04
8:54
+0:39
Finish
26.22 mi14:15:293:47:378:418:15
8:06
-0:48

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

8:06 /mi

Average Pace

8:41 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:07

84% of race

Time at Steady Pace

37:30

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi10:54:0326:118:2626:11
8:26
#17061
10K
6.21 mi11:20:3252:408:2926:29
8:31
#17750
15K
9.32 mi11:47:381:19:468:3327:06
8:43
#18210
20K
12.43 mi12:15:011:47:098:3727:23
8:49
#18336
Half
13.11 mi12:20:481:52:568:375:47
8:29
#18291
25K
15.53 mi12:42:052:14:138:3821:17
8:47
#18196
30K
18.64 mi13:10:182:42:268:4328:13
9:05
#18062
20M
20.00 mi13:22:152:54:238:4311:57
8:48
#17832
21M
21.00 mi13:31:323:03:408:459:17
9:17
#17671
35K
21.75 mi13:37:523:10:008:446:20
8:28
#17562
23M
23.00 mi13:48:443:20:528:4410:52
8:41
#17368
24M
24.00 mi13:57:073:29:158:438:23
8:23
#17211
40K
24.85 mi14:04:103:36:188:427:03
8:15
#17010
25.2M
25.20 mi14:07:143:39:228:423:04
8:54
#16935
Finish
26.22 mi14:15:293:47:378:418:15
8:06
#16774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17061110711107119092(Top 72%)11913(Top 78%)11913(Top 581%)
10K6.21 mi3.10 mi17750-68911354-28311354-28318386(Top 69%)11655(Top 77%)11655(Top 568%)
15K9.32 mi3.11 mi18210-46011543-18911543-18919092(Top 72%)11913(Top 78%)11913(Top 581%)
20K12.43 mi3.11 mi18336-12611601-5811601-5818755(Top 70%)11789(Top 78%)11789(Top 575%)
Half13.11 mi0.68 mi18291+4511582+1911582+1917548(Top 66%)11309(Top 75%)11309(Top 551%)
25K15.53 mi2.42 mi18196+9511528+5411528+5417809(Top 67%)11322(Top 75%)11322(Top 552%)
30K18.64 mi3.11 mi18062+13411434+9411434+9417598(Top 66%)11163(Top 74%)11163(Top 544%)
20M20.00 mi1.36 mi17832+23011332+10211332+10215386(Top 58%)10163(Top 67%)10163(Top 495%)
21M21.00 mi1.00 mi17671+16111257+7511257+7514885(Top 56%)9889(Top 65%)9889(Top 482%)
35K21.75 mi0.75 mi17562+10911192+6511192+6515094(Top 57%)9920(Top 65%)9920(Top 483%)
23M23.00 mi1.25 mi17368+19411108+8411108+8414241(Top 53%)9479(Top 62%)9479(Top 462%)
24M24.00 mi1.00 mi17211+15711032+7611032+7613757(Top 52%)9216(Top 61%)9216(Top 449%)
40K24.85 mi0.85 mi17010+20110922+11010922+11011671(Top 44%)8173(Top 54%)8173(Top 398%)
25.2M25.20 mi0.35 mi16935+7510880+4210880+4211891(Top 45%)8234(Top 54%)8234(Top 401%)
Finish26.22 mi1.02 mi16774+16110807+7310807+7312742(Top 48%)8657(Top 57%)8657(Top 422%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19092

Males

11913

M50-54

11913

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18386

Males

11655

M50-54

11655

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19092

Males

11913

M50-54

11913

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18755

Males

11789

M50-54

11789

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17548

Males

11309

M50-54

11309

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17809

Males

11322

M50-54

11322

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17598

Males

11163

M50-54

11163

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15386

Males

10163

M50-54

10163

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14885

Males

9889

M50-54

9889

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15094

Males

9920

M50-54

9920

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14241

Males

9479

M50-54

9479

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13757

Males

9216

M50-54

9216

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11671

Males

8173

M50-54

8173

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11891

Males

8234

M50-54

8234

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12742

Males

8657

M50-54

8657

Passing Analysis

Category:
Athletes Passed
2123
Passed By
1836
Net Change
+287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17061
5K → 10K105794-689#17061#17750
10K → 15K68528-460#17750#18210
15K → 20K123249-126#18210#18336
20K → Half549+45#18336#18291
Half → 25K17075+95#18291#18196
25K → 30K254120+134#18196#18062
30K → 20M2366+230#18062#17832
20M → 21M17716+161#17832#17671
21M → 35K12011+109#17671#17562
35K → 23M2017+194#17562#17368
23M → 24M1658+157#17368#17211
24M → 40K2054+201#17211#17010
40K → 25.2M750+75#17010#16935
25.2M → Finish1709+161#16935#16774
TOTALS21231836+287
📊

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