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BOSTON MARATHON 2023

Gregory Smith

Bib: 3876•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #3400
Start → 5K
20:44 | 6:40/mi
10K· 6.21 mi
40:42
Rank: #2791 (+609)
5K → 10K
19:58 | 6:26/mi
15K· 9.32 mi
1:00:40
Rank: #2581 (+210)
10K → 15K
19:58 | 6:26/mi
20K· 12.43 mi
1:20:46
Rank: #2446 (+135)
15K → 20K
20:06 | 6:28/mi
Half· 13.11 mi
1:25:08
Rank: #2428 (+18)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:40:36
Rank: #2290 (+138)
Half → 25K
15:28 | 6:23/mi
30K· 18.64 mi
2:01:03
Rank: #2200 (+90)
25K → 30K
20:27 | 6:35/mi
20M
2:10:07
Rank: #2176 (+24)
30K → 20M
9:04 | 6:40/mi
21M
2:17:13
Rank: #2175 (+1)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:21:55
Rank: #2144 (+31)
21M → 35K
4:42 | 6:17/mi
23M
2:30:31
Rank: #2161 (-17)
35K → 23M
8:36 | 6:52/mi
24M
2:37:23
Rank: #2199 (-38)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:43:34
Rank: #2269 (-70)
24M → 40K
6:11 | 7:14/mi
25.2M
2:46:09
Rank: #2274 (-5)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:53:04
Rank: #2286 (-12)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:08
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1520:446:4020:44
6:40
-
10K
6.21 mi10:42:1340:426:3319:58
6:26
-0:14
15K
9.32 mi11:02:111:00:406:3119:58
6:26
0:00
20K
12.43 mi11:22:171:20:466:3020:06
6:28
+0:02
Half
13.11 mi11:26:391:25:086:304:22
6:24
-0:04
25K
15.53 mi11:42:071:40:366:2915:28
6:23
-0:01
30K
18.64 mi12:02:342:01:036:3020:27
6:35
+0:12
20M
20.00 mi12:11:382:10:076:309:04
6:40
+0:05
21M
21.00 mi12:18:442:17:136:327:06
7:06
+0:26
35K
21.75 mi12:23:262:21:556:324:42
6:17
-0:49
23M
23.00 mi12:32:022:30:316:338:36
6:52
+0:35
24M
24.00 mi12:38:542:37:236:336:52
6:52
0:00
40K
24.85 mi12:45:052:43:346:356:11
7:14
+0:22
25.2M
25.20 mi12:47:402:46:096:362:35
7:29
+0:15
Finish
26.22 mi12:54:352:53:046:366:55
6:47
-0:42

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

6:17 /mi

Average Pace

6:36 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:12

91% of race

Time at Steady Pace

13:17

8% of race

Time at Slower Pace

2:35

1% of race

Average Pace: 6:36 /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 mi10:22:1520:446:4020:44
6:40
#3400
10K
6.21 mi10:42:1340:426:3319:58
6:26
#2791
15K
9.32 mi11:02:111:00:406:3119:58
6:26
#2581
20K
12.43 mi11:22:171:20:466:3020:06
6:28
#2446
Half
13.11 mi11:26:391:25:086:304:22
6:24
#2428
25K
15.53 mi11:42:071:40:366:2915:28
6:23
#2290
30K
18.64 mi12:02:342:01:036:3020:27
6:35
#2200
20M
20.00 mi12:11:382:10:076:309:04
6:40
#2176
21M
21.00 mi12:18:442:17:136:327:06
7:06
#2175
35K
21.75 mi12:23:262:21:556:324:42
6:17
#2144
23M
23.00 mi12:32:022:30:316:338:36
6:52
#2161
24M
24.00 mi12:38:542:37:236:336:52
6:52
#2199
40K
24.85 mi12:45:052:43:346:356:11
7:14
#2269
25.2M
25.20 mi12:47:402:46:096:362:35
7:29
#2274
Finish
26.22 mi12:54:352:53:046:366:55
6:47
#2286
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3400320332032237(Top 8%)2146(Top 14%)2146(Top 41%)
10K6.21 mi3.10 mi2791+6092661+5422661+5422369(Top 9%)2269(Top 15%)2269(Top 43%)
15K9.32 mi3.11 mi2581+2102466+1952466+1952237(Top 8%)2146(Top 14%)2146(Top 41%)
20K12.43 mi3.11 mi2446+1352343+1232343+1232128(Top 8%)2042(Top 13%)2042(Top 39%)
Half13.11 mi0.68 mi2428+182327+162327+162232(Top 8%)2142(Top 14%)2142(Top 41%)
25K15.53 mi2.42 mi2290+1382196+1312196+1311649(Top 6%)1579(Top 10%)1579(Top 30%)
30K18.64 mi3.11 mi2200+902110+862110+861894(Top 7%)1813(Top 12%)1813(Top 34%)
20M20.00 mi1.36 mi2176+242086+242086+242158(Top 8%)2053(Top 14%)2053(Top 39%)
21M21.00 mi1.00 mi2175+12084+22084+22611(Top 10%)2457(Top 16%)2457(Top 46%)
35K21.75 mi0.75 mi2144+312054+302054+301537(Top 6%)1461(Top 10%)1461(Top 28%)
23M23.00 mi1.25 mi2161-172071-172071-173025(Top 11%)2820(Top 19%)2820(Top 53%)
24M24.00 mi1.00 mi2199-382109-382109-383978(Top 15%)3626(Top 24%)3626(Top 69%)
40K24.85 mi0.85 mi2269-702173-642173-645017(Top 19%)4347(Top 29%)4347(Top 82%)
25.2M25.20 mi0.35 mi2274-52178-52178-53768(Top 14%)3358(Top 22%)3358(Top 64%)
Finish26.22 mi1.02 mi2286-122188-102188-103970(Top 15%)3509(Top 23%)3509(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2237

Males

2146

M18-39

2146

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2369

Males

2269

M18-39

2269

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2237

Males

2146

M18-39

2146

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2128

Males

2042

M18-39

2042

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2232

Males

2142

M18-39

2142

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1649

Males

1579

M18-39

1579

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1894

Males

1813

M18-39

1813

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2158

Males

2053

M18-39

2053

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2611

Males

2457

M18-39

2457

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1537

Males

1461

M18-39

1461

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3025

Males

2820

M18-39

2820

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3978

Males

3626

M18-39

3626

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5017

Males

4347

M18-39

4347

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3768

Males

3358

M18-39

3358

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3970

Males

3509

M18-39

3509

Passing Analysis

Category:
Athletes Passed
1478
Passed By
364
Net Change
+1114
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3400
5K → 10K62011+609#3400#2791
10K → 15K22717+210#2791#2581
15K → 20K14813+135#2581#2446
20K → Half235+18#2446#2428
Half → 25K1413+138#2428#2290
25K → 30K11626+90#2290#2200
30K → 20M4622+24#2200#2176
20M → 21M3635+1#2176#2175
21M → 35K343+31#2175#2144
35K → 23M3249-17#2144#2161
23M → 24M1452-38#2161#2199
24M → 40K1080-70#2199#2269
40K → 25.2M1116-5#2269#2274
25.2M → Finish2032-12#2274#2286
TOTALS1478364+1114
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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