Boston Marathon logo
BOSTON MARATHON 2023

Jacob Giedinghagen

Bib: 5010•M

MO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #1912
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
39:47
Rank: #1998 (-86)
5K → 10K
19:50 | 6:23/mi
15K· 9.32 mi
59:39
Rank: #2003 (-5)
10K → 15K
19:52 | 6:24/mi
20K· 12.43 mi
1:19:51
Rank: #2057 (-54)
15K → 20K
20:12 | 6:30/mi
Half· 13.11 mi
1:24:19
Rank: #2107 (-50)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:40:26
Rank: #2234 (-127)
Half → 25K
16:07 | 6:39/mi
30K· 18.64 mi
2:02:06
Rank: #2473 (-239)
25K → 30K
21:40 | 6:58/mi
20M
2:12:10
Rank: #2688 (-215)
30K → 20M
10:04 | 7:24/mi
21M
2:20:25
Rank: #2997 (-309)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:29:41
Rank: #4607 (-1610)
21M → 35K
9:16 | 12:23/mi
23M
2:56:51
Rank: #9916 (-5309)
35K → 23M
27:10 | 21:42/mi
24M
3:18:33
Rank: #14400 (-4484)
23M → 24M
21:42 | 21:42/mi
40K· 24.85 mi
3:36:09
Rank: #16974 (-2574)
24M → 40K
17:36 | 20:35/mi
25.2M
3:43:15
Rank: #17857 (-883)
40K → 25.2M
7:06 | 20:35/mi
Finish· 26.22 mi
4:01:58
Rank: #19606 (-1749)
25.2M → Finish
18:43 | 18:22/mi

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
Time1:24:19
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time2:37:39
Pace12:02 /mi
📊Positive Split: 87.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3719:576:2519:57
6:25
-
10K
6.21 mi10:42:2739:476:2419:50
6:23
-0:02
15K
9.32 mi11:02:1959:396:2419:52
6:24
+0:01
20K
12.43 mi11:22:311:19:516:2620:12
6:30
+0:06
Half
13.11 mi11:26:591:24:196:264:28
6:33
+0:03
25K
15.53 mi11:43:061:40:266:2816:07
6:39
+0:06
30K
18.64 mi12:04:462:02:066:3321:40
6:58
+0:19
20M
20.00 mi12:14:502:12:106:3610:04
7:24
+0:26
21M
21.00 mi12:23:052:20:256:418:15
8:15
+0:51
35K
21.75 mi12:32:212:29:416:539:16
12:23
+4:08
23M
23.00 mi12:59:312:56:517:4127:10
21:42
+9:19
24M
24.00 mi13:21:133:18:338:1621:42
21:42
0:00
40K
24.85 mi13:38:493:36:098:4217:36
20:35
-1:07
25.2M
25.20 mi13:45:553:43:158:527:06
20:35
0:00
Finish
26.22 mi14:04:384:01:589:1418:43
18:22
-2:13

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

6:23 /mi

Average Pace

9:14 /mi

Slowest Pace

21:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:20:25

58% of race

Time at Slower Pace

1:41:33

42% of race

Average Pace: 9:14 /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 mi10:22:3719:576:2519:57
6:25
#1912
10K
6.21 mi10:42:2739:476:2419:50
6:23
#1998
15K
9.32 mi11:02:1959:396:2419:52
6:24
#2003
20K
12.43 mi11:22:311:19:516:2620:12
6:30
#2057
Half
13.11 mi11:26:591:24:196:264:28
6:33
#2107
25K
15.53 mi11:43:061:40:266:2816:07
6:39
#2234
30K
18.64 mi12:04:462:02:066:3321:40
6:58
#2473
20M
20.00 mi12:14:502:12:106:3610:04
7:24
#2688
21M
21.00 mi12:23:052:20:256:418:15
8:15
#2997
35K
21.75 mi12:32:212:29:416:539:16
12:23
#4607
23M
23.00 mi12:59:312:56:517:4127:10
21:42
#9916
24M
24.00 mi13:21:133:18:338:1621:42
21:42
#14400
40K
24.85 mi13:38:493:36:098:4217:36
20:35
#16974
25.2M
25.20 mi13:45:553:43:158:527:06
20:35
#17857
Finish
26.22 mi14:04:384:01:589:1418:43
18:22
#19606
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1912182318232084(Top 8%)1999(Top 13%)1999(Top 38%)
10K6.21 mi3.10 mi1998-861915-921915-922178(Top 8%)2087(Top 14%)2087(Top 39%)
15K9.32 mi3.11 mi2003-51918-31918-32084(Top 8%)1999(Top 13%)1999(Top 38%)
20K12.43 mi3.11 mi2057-541970-521970-522309(Top 9%)2214(Top 15%)2214(Top 42%)
Half13.11 mi0.68 mi2107-502018-482018-483137(Top 12%)3002(Top 20%)3002(Top 57%)
25K15.53 mi2.42 mi2234-1272141-1232141-1233006(Top 11%)2866(Top 19%)2866(Top 54%)
30K18.64 mi3.11 mi2473-2392366-2252366-2254194(Top 16%)3914(Top 26%)3914(Top 74%)
20M20.00 mi1.36 mi2688-2152569-2032569-2036235(Top 23%)5476(Top 36%)5476(Top 104%)
21M21.00 mi1.00 mi2997-3092853-2842853-2848916(Top 33%)7030(Top 46%)7030(Top 133%)
35K21.75 mi0.75 mi4607-16104291-14384291-143825055(Top 94%)14348(Top 95%)14348(Top 271%)
23M23.00 mi1.25 mi9916-53097948-36577948-365726613(Top 100%)15171(Top 100%)15171(Top 287%)
24M24.00 mi1.00 mi14400-44849892-19449892-194426616(Top 100%)15174(Top 100%)15174(Top 287%)
40K24.85 mi0.85 mi16974-257410905-101310905-101326613(Top 100%)15172(Top 100%)15172(Top 287%)
25.2M25.20 mi0.35 mi17857-88311289-38411289-38426597(Top 100%)15161(Top 100%)15161(Top 287%)
Finish26.22 mi1.02 mi19606-174912020-73112020-73126601(Top 100%)15161(Top 100%)15161(Top 287%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2084

Males

1999

M18-39

1999

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2178

Males

2087

M18-39

2087

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2084

Males

1999

M18-39

1999

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2309

Males

2214

M18-39

2214

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3137

Males

3002

M18-39

3002

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3006

Males

2866

M18-39

2866

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4194

Males

3914

M18-39

3914

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6235

Males

5476

M18-39

5476

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8916

Males

7030

M18-39

7030

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

25055

Males

14348

M18-39

14348

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

26613

Males

15171

M18-39

15171

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

26616

Males

15174

M18-39

15174

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26613

Males

15172

M18-39

15172

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26597

Males

15161

M18-39

15161

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2stories
+22ft-21ft

Overall

26601

Males

15161

M18-39

15161

Passing Analysis

Category:
Athletes Passed
218
Passed By
17910
Net Change
-17694
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1912
5K → 10K67153-86#1912#1998
10K → 15K6166-5#1998#2003
15K → 20K4397-54#2003#2057
20K → Half151-50#2057#2107
Half → 25K14141-127#2107#2234
25K → 30K22261-239#2234#2473
30K → 20M8223-215#2473#2688
20M → 21M1310-309#2688#2997
21M → 35K01610-1610#2997#4607
35K → 23M15310-5309#4607#9916
23M → 24M04482-4484#9916#14400
24M → 40K02574-2574#14400#16974
40K → 25.2M0883-883#16974#17857
25.2M → Finish01749-1749#17857#19606
TOTALS21817910-17694
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing