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BOSTON MARATHON 2023

George Nieves

Bib: 17343•M

IN

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
8:18/mi
25:48
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
50:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:15:34
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:46:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:54/mi
2:08:11
↑ 66↓ 880.2%
30K· 18.64 mi
9:17/mi
2:37:02
↑ 181↓ 1480.2%
20M
9:33/mi
2:50:01
↑ 64↓ 500.2%
21M
9:57/mi
2:59:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
3:06:19
↑ 17↓ 861.7%
23M
7:55/mi
3:16:14
↑ 23↓ 630.6%
24M
7:43/mi
3:23:57
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:30:49
↓ 200.3%
25.2M
8:07/mi
3:33:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:41:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:36
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:55:08
Pace8:47 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2225:488:1825:48
8:18
-
10K
6.21 mi11:41:2950:558:1225:07
8:05
-0:13
15K
9.32 mi12:06:081:15:348:0624:39
7:56
-0:09
20K
12.43 mi12:31:461:41:128:0925:38
8:15
+0:19
Half
13.11 mi12:37:101:46:368:085:24
7:55
-0:20
25K
15.53 mi12:58:452:08:118:1521:35
8:54
+0:59
30K
18.64 mi13:27:362:37:028:2528:51
9:17
+0:23
20M
20.00 mi13:40:352:50:018:3012:59
9:33
+0:16
21M
21.00 mi13:50:322:59:588:349:57
9:57
+0:24
35K
21.75 mi13:56:533:06:198:346:21
8:29
-1:28
23M
23.00 mi14:06:483:16:148:329:55
7:55
-0:34
24M
24.00 mi14:14:313:23:578:307:43
7:43
-0:12
40K
24.85 mi14:21:233:30:498:296:52
8:02
+0:19
25.2M
25.20 mi14:24:113:33:378:292:48
8:07
+0:05
Finish
26.22 mi14:32:183:41:448:288:07
7:58
-0:09

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

7:43 /mi

Average Pace

8:28 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:43

3% of race

Time at Steady Pace

2:14:18

61% of race

Time at Slower Pace

1:19:43

36% of race

Average Pace: 8:27 /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 mi11:16:2225:488:1825:48
8:18
#16173
10K
6.21 mi11:41:2950:558:1225:07
8:05
#15773
15K
9.32 mi12:06:081:15:348:0624:39
7:56
#15159
20K
12.43 mi12:31:461:41:128:0925:38
8:15
#15198
Half
13.11 mi12:37:101:46:368:085:24
7:55
#15112
25K
15.53 mi12:58:452:08:118:1521:35
8:54
#15697
30K
18.64 mi13:27:362:37:028:2528:51
9:17
#16313
20M
20.00 mi13:40:352:50:018:3012:59
9:33
#16535
21M
21.00 mi13:50:322:59:588:349:57
9:57
#16612
35K
21.75 mi13:56:533:06:198:346:21
8:29
#16564
23M
23.00 mi14:06:483:16:148:329:55
7:55
#16150
24M
24.00 mi14:14:313:23:578:307:43
7:43
#15869
40K
24.85 mi14:21:233:30:498:296:52
8:02
#15655
25.2M
25.20 mi14:24:113:33:378:292:48
8:07
#15536
Finish
26.22 mi14:32:183:41:448:288:07
7:58
#15375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16173107651076513849(Top 52%)9842(Top 65%)9842(Top 692%)
10K6.21 mi3.10 mi15773+40010612+15310612+15315397(Top 58%)10469(Top 69%)10469(Top 736%)
15K9.32 mi3.11 mi15159+61410380+23210380+23213849(Top 52%)9842(Top 65%)9842(Top 692%)
20K12.43 mi3.11 mi15198-3910372+810372+815263(Top 57%)10370(Top 68%)10370(Top 729%)
Half13.11 mi0.68 mi15112+8610339+3310339+3313667(Top 51%)9777(Top 64%)9777(Top 688%)
25K15.53 mi2.42 mi15697-58510526-18710526-18718452(Top 69%)11611(Top 77%)11611(Top 817%)
30K18.64 mi3.11 mi16313-61610715-18910715-18918544(Top 70%)11576(Top 76%)11576(Top 814%)
20M20.00 mi1.36 mi16535-22210792-7710792-7719046(Top 72%)11700(Top 77%)11700(Top 823%)
21M21.00 mi1.00 mi16612-7710825-3310825-3317828(Top 67%)11146(Top 73%)11146(Top 784%)
35K21.75 mi0.75 mi16564+4810790+3510790+3515212(Top 57%)9958(Top 66%)9958(Top 700%)
23M23.00 mi1.25 mi16150+41410594+19610594+1969220(Top 35%)7088(Top 47%)7088(Top 498%)
24M24.00 mi1.00 mi15869+28110450+14410450+1449198(Top 35%)7001(Top 46%)7001(Top 492%)
40K24.85 mi0.85 mi15655+21410358+9210358+9210256(Top 39%)7477(Top 49%)7477(Top 526%)
25.2M25.20 mi0.35 mi15536+11910302+5610302+567234(Top 27%)5748(Top 38%)5748(Top 404%)
Finish26.22 mi1.02 mi15375+16110223+7910223+7911858(Top 45%)8220(Top 54%)8220(Top 578%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13849

Males

9842

M55-59

9842

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15397

Males

10469

M55-59

10469

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13849

Males

9842

M55-59

9842

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15263

Males

10370

M55-59

10370

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13667

Males

9777

M55-59

9777

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18452

Males

11611

M55-59

11611

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18544

Males

11576

M55-59

11576

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19046

Males

11700

M55-59

11700

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17828

Males

11146

M55-59

11146

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15212

Males

9958

M55-59

9958

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9220

Males

7088

M55-59

7088

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9198

Males

7001

M55-59

7001

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10256

Males

7477

M55-59

7477

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7234

Males

5748

M55-59

5748

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11858

Males

8220

M55-59

8220

Passing Analysis

Category:
Athletes Passed
2917
Passed By
2119
Net Change
+798
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16173
5K → 10K542142+400#16173#15773
10K → 15K63420+614#15773#15159
15K → 20K176215-39#15159#15198
20K → Half9610+86#15198#15112
Half → 25K33618-585#15112#15697
25K → 30K62678-616#15697#16313
30K → 20M38260-222#16313#16535
20M → 21M58135-77#16535#16612
21M → 35K7426+48#16612#16564
35K → 23M4140+414#16564#16150
23M → 24M2810+281#16150#15869
24M → 40K2151+214#15869#15655
40K → 25.2M1190+119#15655#15536
25.2M → Finish17514+161#15536#15375
TOTALS29172119+798
📊

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