Boston Marathon logo
BOSTON MARATHON 2023

Jakob Germann

Bib: 15272•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M55-59)
#0 / 1422
Top 34%
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
7:58/mi
24:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
48:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:45
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:37:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:42:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:01:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:27:17
↑ 181↓ 1480.2%
20M
8:06/mi
2:38:17
↑ 64↓ 500.2%
21M
8:29/mi
2:46:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
2:53:08
↑ 17↓ 861.7%
23M
7:56/mi
3:03:04
↑ 23↓ 630.6%
24M
7:51/mi
3:10:55
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:17:50
↓ 200.3%
25.2M
8:51/mi
3:20:53
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:28:49
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:37
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:46:12
Pace8:06 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4124:447:5824:44
7:58
-
10K
6.21 mi11:18:3548:387:5023:54
7:42
-0:16
15K
9.32 mi11:42:421:12:457:4824:07
7:46
+0:04
20K
12.43 mi12:07:171:37:207:5024:35
7:55
+0:09
Half
13.11 mi12:12:341:42:377:505:17
7:45
-0:10
25K
15.53 mi12:31:512:01:547:5119:17
7:57
+0:12
30K
18.64 mi12:57:142:27:177:5425:23
8:10
+0:13
20M
20.00 mi13:08:142:38:177:5511:00
8:06
-0:04
21M
21.00 mi13:16:432:46:467:568:29
8:29
+0:23
35K
21.75 mi13:23:052:53:087:586:22
8:31
+0:02
23M
23.00 mi13:33:013:03:047:589:56
7:56
-0:35
24M
24.00 mi13:40:523:10:557:577:51
7:51
-0:05
40K
24.85 mi13:47:473:17:507:586:55
8:05
+0:14
25.2M
25.20 mi13:50:503:20:537:583:03
8:51
+0:46
Finish
26.22 mi13:58:463:28:497:587:56
7:47
-1:04

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

7:42 /mi

Average Pace

7:58 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:55

91% of race

Time at Steady Pace

17:54

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi10:54:4124:447:5824:44
7:58
#13716
10K
6.21 mi11:18:3548:387:5023:54
7:42
#12939
15K
9.32 mi11:42:421:12:457:4824:07
7:46
#12725
20K
12.43 mi12:07:171:37:207:5024:35
7:55
#12681
Half
13.11 mi12:12:341:42:377:505:17
7:45
#12642
25K
15.53 mi12:31:512:01:547:5119:17
7:57
#12572
30K
18.64 mi12:57:142:27:177:5425:23
8:10
#12467
20M
20.00 mi13:08:142:38:177:5511:00
8:06
#12329
21M
21.00 mi13:16:432:46:467:568:29
8:29
#12189
35K
21.75 mi13:23:052:53:087:586:22
8:31
#12316
23M
23.00 mi13:33:013:03:047:589:56
7:56
#12125
24M
24.00 mi13:40:523:10:557:577:51
7:51
#12029
40K
24.85 mi13:47:473:17:507:586:55
8:05
#11963
25.2M
25.20 mi13:50:503:20:537:583:03
8:51
#11955
Finish
26.22 mi13:58:463:28:497:587:56
7:47
#11898
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi137169842984212389(Top 47%)9247(Top 61%)9247(Top 650%)
10K6.21 mi3.10 mi12939+7779511+3319511+33112154(Top 46%)9179(Top 60%)9179(Top 645%)
15K9.32 mi3.11 mi12725+2149409+1029409+10212389(Top 47%)9247(Top 61%)9247(Top 650%)
20K12.43 mi3.11 mi12681+449365+449365+4412709(Top 48%)9308(Top 61%)9308(Top 655%)
Half13.11 mi0.68 mi12642+399340+259340+2512193(Top 46%)9147(Top 60%)9147(Top 643%)
25K15.53 mi2.42 mi12572+709287+539287+5312317(Top 46%)9036(Top 60%)9036(Top 635%)
30K18.64 mi3.11 mi12467+1059212+759212+7512122(Top 46%)8850(Top 58%)8850(Top 622%)
20M20.00 mi1.36 mi12329+1389138+749138+7410970(Top 41%)8242(Top 54%)8242(Top 580%)
21M21.00 mi1.00 mi12189+1409058+809058+8010387(Top 39%)7807(Top 51%)7807(Top 549%)
35K21.75 mi0.75 mi12316-1279096-389096-3815339(Top 58%)9992(Top 66%)9992(Top 703%)
23M23.00 mi1.25 mi12125+1918980+1168980+1169296(Top 35%)7128(Top 47%)7128(Top 501%)
24M24.00 mi1.00 mi12029+968917+638917+6310149(Top 38%)7483(Top 49%)7483(Top 526%)
40K24.85 mi0.85 mi11963+668868+498868+4910629(Top 40%)7670(Top 51%)7670(Top 539%)
25.2M25.20 mi0.35 mi11955+88860+88860+811534(Top 43%)8048(Top 53%)8048(Top 566%)
Finish26.22 mi1.02 mi11898+578816+448816+4410557(Top 40%)7581(Top 50%)7581(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12389

Males

9247

M55-59

9247

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12154

Males

9179

M55-59

9179

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12389

Males

9247

M55-59

9247

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12709

Males

9308

M55-59

9308

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12193

Males

9147

M55-59

9147

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12317

Males

9036

M55-59

9036

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12122

Males

8850

M55-59

8850

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10970

Males

8242

M55-59

8242

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10387

Males

7807

M55-59

7807

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15339

Males

9992

M55-59

9992

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9296

Males

7128

M55-59

7128

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10149

Males

7483

M55-59

7483

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10629

Males

7670

M55-59

7670

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11534

Males

8048

M55-59

8048

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10557

Males

7581

M55-59

7581

Passing Analysis

Category:
Athletes Passed
2763
Passed By
945
Net Change
+1818
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13716
5K → 10K85477+777#13716#12939
10K → 15K328114+214#12939#12725
15K → 20K203159+44#12725#12681
20K → Half5314+39#12681#12642
Half → 25K16494+70#12642#12572
25K → 30K249144+105#12572#12467
30K → 20M17032+138#12467#12329
20M → 21M16828+140#12329#12189
21M → 35K17144-127#12189#12316
35K → 23M20615+191#12316#12125
23M → 24M12327+96#12125#12029
24M → 40K9731+66#12029#11963
40K → 25.2M3325+8#11963#11955
25.2M → Finish9841+57#11955#11898
TOTALS2763945+1818
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing