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BOSTON MARATHON 2023

Stephen Grace

Bib: 30765•M

MA

Masters
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0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Age Group (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
26:55
Rank: #18648
Start → 5K
26:55 | 8:40/mi
10K· 6.21 mi
52:41
Rank: #17766 (+882)
5K → 10K
25:46 | 8:18/mi
15K· 9.32 mi
1:18:15
Rank: #17165 (+601)
10K → 15K
25:34 | 8:14/mi
20K· 12.43 mi
1:43:55
Rank: #16715 (+450)
15K → 20K
25:40 | 8:16/mi
Half· 13.11 mi
1:49:29
Rank: #16644 (+71)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:09:35
Rank: #16336 (+308)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:37:24
Rank: #16430 (-94)
25K → 30K
27:49 | 8:57/mi
20M
2:49:08
Rank: #16257 (+173)
30K → 20M
11:44 | 8:38/mi
21M
2:58:26
Rank: #16165 (+92)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
3:04:45
Rank: #16101 (+64)
21M → 35K
6:19 | 8:27/mi
23M
3:15:54
Rank: #16066 (+35)
35K → 23M
11:09 | 8:54/mi
24M
3:24:35
Rank: #16029 (+37)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
3:32:12
Rank: #16002 (+27)
24M → 40K
7:37 | 8:54/mi
25.2M
3:35:21
Rank: #15950 (+52)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:43:39
Rank: #15837 (+113)
25.2M → Finish
8:18 | 8:09/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:49:29
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:54:10
Pace8:43 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4226:558:4026:55
8:40
-
10K
6.21 mi12:16:2852:418:2925:46
8:18
-0:22
15K
9.32 mi12:42:021:18:158:2425:34
8:14
-0:04
20K
12.43 mi13:07:421:43:558:2225:40
8:16
+0:02
Half
13.11 mi13:13:161:49:298:215:34
8:10
-0:06
25K
15.53 mi13:33:222:09:358:2120:06
8:17
+0:07
30K
18.64 mi14:01:112:37:248:2727:49
8:57
+0:40
20M
20.00 mi14:12:552:49:088:2711:44
8:38
-0:19
21M
21.00 mi14:22:132:58:268:309:18
9:18
+0:40
35K
21.75 mi14:28:323:04:458:306:19
8:27
-0:51
23M
23.00 mi14:39:413:15:548:3111:09
8:54
+0:27
24M
24.00 mi14:48:223:24:358:318:41
8:41
-0:13
40K
24.85 mi14:55:593:32:128:327:37
8:54
+0:13
25.2M
25.20 mi14:59:083:35:218:333:09
9:08
+0:14
Finish
26.22 mi15:07:263:43:398:328:18
8:09
-0:59

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:09 /mi

Average Pace

8:32 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:31:12

94% of race

Time at Steady Pace

12:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:32 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:4226:558:4026:55
8:40
#18648
10K
6.21 mi12:16:2852:418:2925:46
8:18
#17766
15K
9.32 mi12:42:021:18:158:2425:34
8:14
#17165
20K
12.43 mi13:07:421:43:558:2225:40
8:16
#16715
Half
13.11 mi13:13:161:49:298:215:34
8:10
#16644
25K
15.53 mi13:33:222:09:358:2120:06
8:17
#16336
30K
18.64 mi14:01:112:37:248:2727:49
8:57
#16430
20M
20.00 mi14:12:552:49:088:2711:44
8:38
#16257
21M
21.00 mi14:22:132:58:268:309:18
9:18
#16165
35K
21.75 mi14:28:323:04:458:306:19
8:27
#16101
23M
23.00 mi14:39:413:15:548:3111:09
8:54
#16066
24M
24.00 mi14:48:223:24:358:318:41
8:41
#16029
40K
24.85 mi14:55:593:32:128:327:37
8:54
#16002
25.2M
25.20 mi14:59:083:35:218:333:09
9:08
#15950
Finish
26.22 mi15:07:263:43:398:328:18
8:09
#15837
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi18648116571165716054(Top 60%)10710(Top 71%)10710(Top 478%)
10K6.21 mi3.10 mi17766+88211362+29511362+29516878(Top 63%)11062(Top 73%)11062(Top 494%)
15K9.32 mi3.11 mi17165+60111135+22711135+22716054(Top 60%)10710(Top 71%)10710(Top 478%)
20K12.43 mi3.11 mi16715+45010950+18510950+18515350(Top 58%)10401(Top 69%)10401(Top 464%)
Half13.11 mi0.68 mi16644+7110913+3710913+3715466(Top 58%)10483(Top 69%)10483(Top 468%)
25K15.53 mi2.42 mi16336+30810784+12910784+12914884(Top 56%)10114(Top 67%)10114(Top 451%)
30K18.64 mi3.11 mi16430-9410761+2310761+2316918(Top 64%)10876(Top 72%)10876(Top 485%)
20M20.00 mi1.36 mi16257+17310683+7810683+7814476(Top 54%)9771(Top 64%)9771(Top 436%)
21M21.00 mi1.00 mi16165+9210629+5410629+5414963(Top 56%)9916(Top 65%)9916(Top 442%)
35K21.75 mi0.75 mi16101+6410583+4610583+4614960(Top 56%)9865(Top 65%)9865(Top 440%)
23M23.00 mi1.25 mi16066+3510552+3110552+3115551(Top 58%)10053(Top 66%)10053(Top 449%)
24M24.00 mi1.00 mi16029+3710525+2710525+2715542(Top 58%)9967(Top 66%)9967(Top 445%)
40K24.85 mi0.85 mi16002+2710503+2210503+2215648(Top 59%)9974(Top 66%)9974(Top 445%)
25.2M25.20 mi0.35 mi15950+5210473+3010473+3013249(Top 50%)8890(Top 59%)8890(Top 397%)
Finish26.22 mi1.02 mi15837+11310416+5710416+5713061(Top 49%)8806(Top 58%)8806(Top 393%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16054

Males

10710

M40-44

10710

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16878

Males

11062

M40-44

11062

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16054

Males

10710

M40-44

10710

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15350

Males

10401

M40-44

10401

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15466

Males

10483

M40-44

10483

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14884

Males

10114

M40-44

10114

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16918

Males

10876

M40-44

10876

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14476

Males

9771

M40-44

9771

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14963

Males

9916

M40-44

9916

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14960

Males

9865

M40-44

9865

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15551

Males

10053

M40-44

10053

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15542

Males

9967

M40-44

9967

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15648

Males

9974

M40-44

9974

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13249

Males

8890

M40-44

8890

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13061

Males

8806

M40-44

8806

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3486
Passed By
675
Net Change
+2811
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18648
5K → 10K990108+882#18648#17766
10K → 15K62928+601#17766#17165
15K → 20K47323+450#17165#16715
20K → Half787+71#16715#16644
Half → 25K33123+308#16644#16336
25K → 30K149243-94#16336#16430
30K → 20M1829+173#16430#16257
20M → 21M13139+92#16257#16165
21M → 35K8420+64#16165#16101
35K → 23M10065+35#16101#16066
23M → 24M8447+37#16066#16029
24M → 40K6639+27#16029#16002
40K → 25.2M597+52#16002#15950
25.2M → Finish13017+113#15950#15837
TOTALS3486675+2811
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing