Chris Kellogg

Bib: 26046MAge: 45

Palo Alto, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 3840
Top 5%
Gender (Male)
#0 / 2065
Top 8%
Masters (Masters Men)
#0 / 555
Top 5%
Division (M45-49)
#0 / 119
Top 7%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
6:55/mi
13:51
138680.7%
4M
6:55/mi
27:41
1631.4%
6M
8:36/mi
44:54
55830.3%
8M
5:21/mi
55:37
651510.8%
10M
7:22/mi
1:10:21
611741.1%
12M
7:58/mi
1:26:18
41530.1%
Finish· 13.11 mi
7:48/mi
1:34:57
→ flat

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
Time44:54
Pace7:29 /mi
2nd Half
Distance7.11 mi
Time50:03
Pace7:02 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:58:1113:516:5513:51
6:55
-
4M
4.00 mi09:12:0127:416:5513:50
6:55
0:00
6M
6.00 mi09:29:1444:547:2917:13
8:36
+1:41
8M
8.00 mi09:39:5755:376:5710:43
5:21
-3:15
10M
10.00 mi09:54:411:10:217:0214:44
7:22
+2:01
12M
12.00 mi10:10:381:26:187:1215:57
7:58
+0:36
Finish
13.11 mi10:19:171:34:577:158:39
7:48
-0:10

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

5:21 /mi

Average Pace

7:15 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:43

11% of race

Time at Steady Pace

51:04

54% of race

Time at Slower Pace

33:10

35% of race

Average Pace: 7:15 /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 mi08:58:1113:516:5513:51
6:55
#144
4M
4.00 mi09:12:0127:416:5513:50
6:55
#193
6M
6.00 mi09:29:1444:547:2917:13
8:36
#170
8M
8.00 mi09:39:5755:376:5710:43
5:21
#164
10M
10.00 mi09:54:411:10:217:0214:44
7:22
#171
12M
12.00 mi10:10:381:26:187:1215:57
7:58
#190
Finish
13.11 mi10:19:171:34:577:158:39
7:48
#196
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi1441215286(Top 7%)227(Top 11%)10(Top 8%)
4M4.00 mi2.00 mi193-49157-368-3236(Top 6%)193(Top 9%)13(Top 11%)
6M6.00 mi2.00 mi170+23140+175+3161(Top 4%)131(Top 6%)5(Top 4%)
8M8.00 mi2.00 mi164+6134+65153(Top 4%)124(Top 6%)5(Top 4%)
10M10.00 mi2.00 mi171-7139-55189(Top 5%)152(Top 7%)8(Top 7%)
12M12.00 mi2.00 mi190-19155-168-3286(Top 7%)227(Top 11%)10(Top 8%)
Finish13.11 mi1.11 mi196-6160-58342(Top 9%)266(Top 13%)12(Top 10%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 7%
×9story building
+138ft-68ft

Overall

286

Males

227

M45-49

10

2M→4M

2.0 - 4.0 mi

Top 6%
×13story building
+163ft-19ft

Overall

236

Males

193

M45-49

13

4M→6M

4.0 - 6.0 mi

Top 4%
×4story building
+55ft-83ft

Overall

161

Males

131

M45-49

5

6M→8M

6.0 - 8.0 mi

Top 4%
×10story building
+65ft-151ft

Overall

153

Males

124

M45-49

5

8M→10M

8.0 - 10.0 mi

Top 5%
×10story building
+61ft-174ft

Overall

189

Males

152

M45-49

8

10M→12M

10.0 - 12.0 mi

Top 7%
×3story building
+41ft-53ft

Overall

286

Males

227

M45-49

10

12M→Finish

12.0 - 13.1 mi

Top 9%
×1human
+6ft-6ft

Overall

342

Males

266

M45-49

12

Passing Analysis

Category:
Athletes Passed
38
Passed By
90
Net Change
-52
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#144
2M4M150-49#144#193
4M6M263+23#193#170
6M8M82+6#170#164
8M10M29-7#164#171
10M12M120-19#171#190
12MFinish06-6#190#196
TOTALS3890-52
📊

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

Official Timing Data

The San Francisco Marathon

The San Francisco Marathon