Matthew Chng

Bib: 23606MAge: 29

Burlingame, CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 3840
Gender (Male)
#0 / 2065
Division (M25-29)
#0 / 503
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
24:51
Rank: #3468
Start2M
12:25/mi
24:51 split
4M
49:06
Rank: #3395 (+73)
2M4M
12:08/mi
24:15 split
6M
1:18:42
Rank: #3327 (+68)
4M6M
14:48/mi
29:36 split
8M
1:36:55
Rank: #3259 (+68)
6M8M
9:06/mi
18:13 split
10M
2:01:36
Rank: #3192 (+67)
8M10M
12:21/mi
24:41 split
12M
2:28:23
Rank: #3162 (+30)
10M12M
13:23/mi
26:47 split
Finish· 13.11 mi
2:42:04
Rank: #3130 (+32)
12MFinish
12:20/mi
13:41 split

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 6MFaster
Distance6.00 mi
Time1:18:42
Pace13:07 /mi
2nd Half
Distance7.11 mi
Time1:23:22
Pace11:44 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:02:5124:5112:2524:51
12:25
-
4M
4.00 mi09:27:0649:0612:1724:15
12:08
-0:17
6M
6.00 mi09:56:421:18:4213:0729:36
14:48
+2:40
8M
8.00 mi10:14:551:36:5512:0718:13
9:06
-5:42
10M
10.00 mi10:39:362:01:3612:1024:41
12:21
+3:15
12M
12.00 mi11:06:232:28:2312:2226:47
13:23
+1:02
Finish
13.11 mi11:20:042:42:0412:2213:41
12:20
-1:03

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

9:06 /mi

Average Pace

12:22 /mi

Slowest Pace

14:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:13

11% of race

Time at Steady Pace

1:27:28

54% of race

Time at Slower Pace

56:23

35% of race

Average Pace: 12:22 /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...
0mi3.3mi6.6mi9.8mi13.1mi
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
2M
2.00 mi09:02:5124:5112:2524:51
12:25
#3468
4M
4.00 mi09:27:0649:0612:1724:15
12:08
#3395
6M
6.00 mi09:56:421:18:4213:0729:36
14:48
#3327
8M
8.00 mi10:14:551:36:5512:0718:13
9:06
#3259
10M
10.00 mi10:39:362:01:3612:1024:41
12:21
#3192
12M
12.00 mi11:06:232:28:2312:2226:47
13:23
#3162
Finish
13.11 mi11:20:042:42:0412:2213:41
12:20
#3130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi346819384773013(Top 78%)1723(Top 83%)435(Top 86%)
4M4.00 mi2.00 mi3395+731896+42472+53311(Top 86%)1863(Top 90%)463(Top 92%)
6M6.00 mi2.00 mi3327+681874+22468+43199(Top 83%)1834(Top 89%)459(Top 91%)
8M8.00 mi2.00 mi3259+681848+26462+63009(Top 78%)1735(Top 84%)436(Top 87%)
10M10.00 mi2.00 mi3192+671823+25457+52913(Top 76%)1700(Top 82%)423(Top 84%)
12M12.00 mi2.00 mi3162+301805+18446+113013(Top 78%)1723(Top 83%)435(Top 86%)
Finish13.11 mi1.11 mi3130+321790+15445+12828(Top 74%)1621(Top 78%)401(Top 80%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 78%
×9stories
+138ft-68ft

Overall

3013

Males

1723

M25-29

435

2M→4M

2.0 - 4.0 mi

Top 86%
×13stories
+163ft-19ft

Overall

3311

Males

1863

M25-29

463

4M→6M

4.0 - 6.0 mi

Top 83%
×4stories
+55ft-83ft

Overall

3199

Males

1834

M25-29

459

6M→8M

6.0 - 8.0 mi

Top 78%
×10stories
+65ft-151ft

Overall

3009

Males

1735

M25-29

436

8M→10M

8.0 - 10.0 mi

Top 76%
×10stories
+61ft-174ft

Overall

2913

Males

1700

M25-29

423

10M→12M

10.0 - 12.0 mi

Top 78%
×3stories
+41ft-53ft

Overall

3013

Males

1723

M25-29

435

12M→Finish

12.0 - 13.1 mi

Top 74%
×1human
+6ft-6ft

Overall

2828

Males

1621

M25-29

401

Passing Analysis

Category:
Athletes Passed
411*
Passed By
73
Net Change
+338
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3468
2M4M9219+73#3468#3395
4M6M8315+68#3395#3327
6M8M75*7+68#3327#3259
8M10M72*5+67#3259#3192
10M12M4919+30#3192#3162
12MFinish40*8+32#3162#3130
TOTALS411*73+338

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

📊

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

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon