San Francisco Marathon logo
SF MARATHON 2023

Robertjan Groeneveld

Bib: 6870•M•Age: 43

Katwijk

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 4888
Top 4%
Gender (Male)
#0 / 3570
Top 5%
Masters (Masters Men)
#0 / 1128
Top 2%
Division (M40-44)
#0 / 341
Top 4%
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
14:18
Rank: #275
Start → 2.2 Miles
14:18 | 6:30/mi
5.7 Miles
41:47
Rank: #258 (+17)
2.2 Miles → 5.7 Miles
27:29 | 7:51/mi
6.43 Miles
49:20
Rank: #256 (+2)
5.7 Miles → 6.43 Miles
7:33 | 10:20/mi
10.92 Miles
1:20:41
Rank: #241 (+15)
6.43 Miles → 10.92 Miles
31:21 | 6:59/mi
Garmin Hill Challenge· 11.42 mi
1:25:07
Rank: #232 (+9)
10.92 Miles → Garmin Hill Challenge
4:26 | 8:52/mi
14.95 Miles
1:49:02
Rank: #234 (-2)
Garmin Hill Challenge → 14.95 Miles
23:55 | 6:47/mi
18 Miles
2:14:33
Rank: #223 (+11)
14.95 Miles → 18 Miles
25:31 | 8:22/mi
24 Miles
2:58:45
Rank: #187 (+36)
18 Miles → 24 Miles
44:12 | 7:22/mi
Finish· 26.22 mi
3:14:14
Rank: #175 (+12)
24 Miles → Finish
15:29 | 6:59/mi

Course Map & Elevation

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.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:38:5014:186:3014:18
6:30
-
5.7 Miles
5.70 mi06:06:1941:477:2027:29
7:51
+1:21
6.43 Miles
6.43 mi06:13:5249:207:407:33
10:20
+2:29
10.92 Miles
10.92 mi06:45:131:20:417:2331:21
6:59
-3:21
Garmin Hill Challenge
11.42 mi06:49:391:25:077:274:26
8:52
+1:53
14.95 Miles
14.95 mi07:13:341:49:027:1823:55
6:47
-2:05
18 Miles
18.00 mi07:39:052:14:337:2925:31
8:22
+1:35
24 Miles
24.00 mi08:23:172:58:457:2744:12
7:22
-1:00
Finish
26.22 mi08:38:463:14:147:2515:29
6:59
-0:23

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

6:30 /mi

Average Pace

7:25 /mi

Slowest Pace

10:20 /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

38:13

20% of race

Time at Steady Pace

1:58:31

61% of race

Time at Slower Pace

37:30

19% of race

Average Pace: 7:24 /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
2.2 Miles
2.20 mi05:38:5014:186:3014:18
6:30
#275
5.7 Miles
5.70 mi06:06:1941:477:2027:29
7:51
#258
6.43 Miles
6.43 mi06:13:5249:207:407:33
10:20
#256
10.92 Miles
10.92 mi06:45:131:20:417:2331:21
6:59
#241
Garmin Hill Challenge
11.42 mi06:49:391:25:077:274:26
8:52
#232
14.95 Miles
14.95 mi07:13:341:49:027:1823:55
6:47
#234
18 Miles
18.00 mi07:39:052:14:337:2925:31
8:22
#223
24 Miles
24.00 mi08:23:172:58:457:2744:12
7:22
#187
Finish
26.22 mi08:38:463:14:147:2515:29
6:59
#175
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2.2 Miles2.20 mi2.20 mi27525819275(Top 6%)258(Top 7%)19(Top 6%)
5.7 Miles5.70 mi3.50 mi258+17244+1419261(Top 5%)246(Top 7%)19(Top 6%)
6.43 Miles6.43 mi0.73 mi256+2242+219293(Top 6%)271(Top 8%)19(Top 6%)
10.92 Miles10.92 mi4.49 mi241+15228+1416+3225(Top 5%)212(Top 6%)13(Top 4%)
Garmin Hill Challenge11.42 mi0.50 mi232+9220+815+1178(Top 4%)165(Top 5%)10(Top 3%)
14.95 Miles14.95 mi3.53 mi234-2222-215256(Top 5%)243(Top 7%)14(Top 4%)
18 Miles18.00 mi3.05 mi223+11212+1013+2246(Top 5%)233(Top 7%)16(Top 5%)
24 Miles24.00 mi6.00 mi187+36177+3513160(Top 3%)149(Top 4%)15(Top 4%)
Finish26.22 mi2.22 mi175+12165+1212+1102(Top 2%)93(Top 3%)7(Top 2%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 6%
×1human
+8ft-12ft

Overall

275

Males

258

M40-44

19

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 5%
×6stories
+92ft-87ft

Overall

261

Males

246

M40-44

19

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 6%
×11stories
+137ft-3ft

Overall

293

Males

271

M40-44

19

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 5%
×21stories
+225ft-318ft

Overall

225

Males

212

M40-44

13

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 4%
×11stories
+134ft-123ft

Overall

178

Males

165

M40-44

10

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 5%
×16stories
+234ft-225ft

Overall

256

Males

243

M40-44

14

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 5%
×12stories
+165ft-60ft

Overall

246

Males

233

M40-44

16

18 Miles→24 Miles

18.0 - 24.0 mi

Top 3%
×21stories
+142ft-377ft

Overall

160

Males

149

M40-44

15

24 Miles→Finish

24.0 - 26.2 mi

Top 2%
~flat
+2ft-2ft

Overall

102

Males

93

M40-44

7

Passing Analysis

Category:
Athletes Passed
148*
Passed By
48
Net Change
+100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#275
2.2 Miles → 5.7 Miles3922+17#275#258
5.7 Miles → 6.43 Miles53+2#258#256
6.43 Miles → 10.92 Miles216+15#256#241
10.92 Miles → Garmin Hill Challenge90+9#241#232
Garmin Hill Challenge → 14.95 Miles57-2#232#234
14.95 Miles → 18 Miles19*8+11#234#223
18 Miles → 24 Miles38*2+36#223#187
24 Miles → Finish120+12#187#175
TOTALS148*48+100

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events