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BOSTON MARATHON 2023

Chris Gartlgruber

Bib: 17235•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 38%
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
8:20/mi
25:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:04/mi
50:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:15:08
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:39:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:43/mi
1:44:33
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
2:03:20
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:27:34
↑ 181↓ 1480.2%
20M
7:36/mi
2:37:53
↑ 64↓ 500.2%
21M
8:06/mi
2:45:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:20/mi
2:51:28
↑ 17↓ 861.7%
23M
7:52/mi
3:01:19
↑ 23↓ 630.6%
24M
7:54/mi
3:09:13
↓ 821.3%
40K· 24.85 mi
9:49/mi
3:17:37
↓ 200.3%
25.2M
10:55/mi
3:21:23
↑ 13↓ 160.2%
Finish· 26.22 mi
9:30/mi
3:31:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:33
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:46:31
Pace8:08 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5325:528:2025:52
8:20
-
10K
6.21 mi11:43:5650:558:1225:03
8:04
-0:16
15K
9.32 mi12:08:091:15:088:0424:13
7:48
-0:16
20K
12.43 mi12:32:181:39:177:5924:09
7:46
-0:02
Half
13.11 mi12:37:341:44:337:595:16
7:43
-0:03
25K
15.53 mi12:56:212:03:207:5618:47
7:45
+0:02
30K
18.64 mi13:20:352:27:347:5524:14
7:48
+0:03
20M
20.00 mi13:30:542:37:537:5410:19
7:36
-0:12
21M
21.00 mi13:39:002:45:597:548:06
8:06
+0:30
35K
21.75 mi13:44:292:51:287:535:29
7:20
-0:46
23M
23.00 mi13:54:203:01:197:539:51
7:52
+0:32
24M
24.00 mi14:02:143:09:137:537:54
7:54
+0:02
40K
24.85 mi14:10:383:17:377:578:24
9:49
+1:55
25.2M
25.20 mi14:14:243:21:237:593:46
10:55
+1:06
Finish
26.22 mi14:24:053:31:048:039:41
9:30
-1:25

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

7:20 /mi

Average Pace

8:03 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:29

3% of race

Time at Steady Pace

3:03:44

87% of race

Time at Slower Pace

21:51

10% of race

Average Pace: 8:03 /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 mi11:18:5325:528:2025:52
8:20
#16316
10K
6.21 mi11:43:5650:558:1225:03
8:04
#15770
15K
9.32 mi12:08:091:15:088:0424:13
7:48
#14827
20K
12.43 mi12:32:181:39:177:5924:09
7:46
#14012
Half
13.11 mi12:37:341:44:337:595:16
7:43
#13900
25K
15.53 mi12:56:212:03:207:5618:47
7:45
#13378
30K
18.64 mi13:20:352:27:347:5524:14
7:48
#12598
20M
20.00 mi13:30:542:37:537:5410:19
7:36
#12171
21M
21.00 mi13:39:002:45:597:548:06
8:06
#11904
35K
21.75 mi13:44:292:51:287:535:29
7:20
#11709
23M
23.00 mi13:54:203:01:197:539:51
7:52
#11492
24M
24.00 mi14:02:143:09:137:537:54
7:54
#11444
40K
24.85 mi14:10:383:17:377:578:24
9:49
#11889
25.2M
25.20 mi14:14:243:21:237:593:46
10:55
#12109
Finish
26.22 mi14:24:053:31:048:039:41
9:30
#12559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16316108151081512676(Top 48%)9380(Top 62%)9380(Top 660%)
10K6.21 mi3.10 mi15770+54610609+20610609+20615248(Top 57%)10398(Top 69%)10398(Top 731%)
15K9.32 mi3.11 mi14827+94310254+35510254+35512676(Top 48%)9380(Top 62%)9380(Top 660%)
20K12.43 mi3.11 mi14012+8159899+3559899+35511500(Top 43%)8803(Top 58%)8803(Top 619%)
Half13.11 mi0.68 mi13900+1129856+439856+4311999(Top 45%)9076(Top 60%)9076(Top 638%)
25K15.53 mi2.42 mi13378+5229629+2279629+22710673(Top 40%)8339(Top 55%)8339(Top 586%)
30K18.64 mi3.11 mi12598+7809263+3669263+3669361(Top 35%)7488(Top 49%)7488(Top 527%)
20M20.00 mi1.36 mi12171+4279062+2019062+2017449(Top 28%)6254(Top 41%)6254(Top 440%)
21M21.00 mi1.00 mi11904+2678933+1298933+1298018(Top 30%)6495(Top 43%)6495(Top 457%)
35K21.75 mi0.75 mi11709+1958834+998834+997342(Top 28%)6115(Top 40%)6115(Top 430%)
23M23.00 mi1.25 mi11492+2178713+1218713+1218867(Top 33%)6910(Top 46%)6910(Top 486%)
24M24.00 mi1.00 mi11444+488670+438670+4310516(Top 40%)7671(Top 51%)7671(Top 539%)
40K24.85 mi0.85 mi11889-4458842-1728842-17219439(Top 73%)11676(Top 77%)11676(Top 821%)
25.2M25.20 mi0.35 mi12109-2208924-828924-8220229(Top 76%)12018(Top 79%)12018(Top 845%)
Finish26.22 mi1.02 mi12559-4509100-1769100-17620108(Top 76%)12016(Top 79%)12016(Top 845%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12676

Males

9380

M55-59

9380

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15248

Males

10398

M55-59

10398

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12676

Males

9380

M55-59

9380

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11500

Males

8803

M55-59

8803

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11999

Males

9076

M55-59

9076

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10673

Males

8339

M55-59

8339

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9361

Males

7488

M55-59

7488

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7449

Males

6254

M55-59

6254

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8018

Males

6495

M55-59

6495

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7342

Males

6115

M55-59

6115

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8867

Males

6910

M55-59

6910

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10516

Males

7671

M55-59

7671

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19439

Males

11676

M55-59

11676

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20229

Males

12018

M55-59

12018

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20108

Males

12016

M55-59

12016

Passing Analysis

Category:
Athletes Passed
5085
Passed By
1328
Net Change
+3757
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16316
5K → 10K656110+546#16316#15770
10K → 15K9507+943#15770#14827
15K → 20K8216+815#14827#14012
20K → Half1164+112#14012#13900
Half → 25K5242+522#13900#13378
25K → 30K7800+780#13378#12598
30K → 20M4292+427#12598#12171
20M → 21M2747+267#12171#11904
21M → 35K1983+195#11904#11709
35K → 23M22811+217#11709#11492
23M → 24M8739+48#11492#11444
24M → 40K13458-445#11444#11889
40K → 25.2M0220-220#11889#12109
25.2M → Finish9459-450#12109#12559
TOTALS50851328+3757
📊

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