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SF MARATHON 1ST HALF 2026

Mark Thomas

Bib: 14440•M•Age: 47

union city, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M45-49)
#0 / 220
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:33/mi
21:07
→ flat
4M
11:26/mi
43:58
↑ 67↓ 69
6M
11:21/mi
1:06:40
↑ 1231.1%
8M
11:22/mi
1:29:24
↑ 166↓ 531.1%
9.6M
11:22/mi
1:47:36
↑ 68↓ 1931.5%
10M
20:29/mi
1:55:47
↓ 241.1%
10.5M
5:34/mi
1:58:34
↓ 732.7%
12M
16:27/mi
2:23:14
↑ 2803.2%
Finish· 13.11 mi
10:41/mi
2:35:05
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:40
Pace11:07 /mi
2nd Half
Distance7.11 mi
Time1:28:25
Pace12:26 /mi
📊Positive Split: 32.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:58:5021:0710:3321:07
10:33
-
4M
4.00 mi07:21:4143:5811:0022:51
11:26
+0:53
6M
6.00 mi07:44:231:06:4011:0722:42
11:21
-0:05
8M
8.00 mi08:07:071:29:2411:1122:44
11:22
+0:01
9.6M
9.60 mi08:25:191:47:3611:1218:12
11:22
0:00
10M
10.00 mi08:33:301:55:4711:358:11
20:29
+9:07
10.5M
10.50 mi08:36:171:58:3411:182:47
5:34
-14:55
12M
12.00 mi09:00:572:23:1411:5624:40
16:27
+10:53
Finish
13.11 mi09:12:482:35:0511:5011:51
10:41
-5:46

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

5:34 /mi

Average Pace

11:50 /mi

Slowest Pace

20:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47

2% of race

Time at Steady Pace

1:59:27

77% of race

Time at Slower Pace

32:51

21% of race

Average Pace: 11:50 /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 mi06:58:5021:0710:3321:07
10:33
#4022
4M
4.00 mi07:21:4143:5811:0022:51
11:26
#4386
6M
6.00 mi07:44:231:06:4011:0722:42
11:21
#4343
8M
8.00 mi08:07:071:29:2411:1122:44
11:22
#4190
9.6M
9.60 mi08:25:191:47:3611:1218:12
11:22
#4453
10M
10.00 mi08:33:301:55:4711:358:11
20:29
#4367
10.5M
10.50 mi08:36:171:58:3411:182:47
5:34
#4366
12M
12.00 mi09:00:572:23:1411:5624:40
16:27
#4408
Finish
13.11 mi09:12:482:35:0511:5011:51
10:41
#4310
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 58%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:58

Segment Time

12:11/mi

Pace

0.90 mi

Distance

Overall

3843

Men

2439

Division

134

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi402225941424511(Top 69%)2716(Top 75%)155(Top 70%)
4M4.00 mi2.00 mi4386-3642765-171149-74753(Top 72%)2912(Top 80%)159(Top 72%)
6M6.00 mi2.00 mi4343+432745+201494311(Top 66%)2723(Top 75%)145(Top 66%)
8M8.00 mi2.00 mi4190+1532696+49146+33940(Top 60%)2557(Top 71%)141(Top 64%)
9.6M9.60 mi1.60 mi4453-2632790-94149-35361(Top 82%)3086(Top 85%)168(Top 76%)
10M10.00 mi0.40 mi4367+862734+56145+43731(Top 57%)2363(Top 65%)130(Top 59%)
10.5M10.50 mi0.50 mi4366+12737-31454563(Top 69%)2785(Top 77%)158(Top 72%)
12M12.00 mi1.50 mi4408-422747-10153-84511(Top 69%)2716(Top 75%)155(Top 70%)
Finish13.11 mi1.11 mi4310+982692+55150+33696(Top 56%)2331(Top 64%)119(Top 54%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 69%
~flat
+5ft-3ft

Overall

4511

Males

2716

M45-49

155

2M→4M

2.0 - 4.0 mi

Top 72%
×4story building
+67ft-69ft

Overall

4753

Males

2912

M45-49

159

4M→6M

4.0 - 6.0 mi

Top 66%
×9story building
+123ft-9ft

Overall

4311

Males

2723

M45-49

145

6M→8M

6.0 - 8.0 mi

Top 60%
×12story building
+166ft-53ft

Overall

3940

Males

2557

M45-49

141

8M→9.6M

8.0 - 9.6 mi

Top 82%
×13story building
+68ft-193ft

Overall

5361

Males

3086

M45-49

168

9.6M→10M

9.6 - 10.0 mi

Top 57%
×2story building
+0ft-24ft

Overall

3731

Males

2363

M45-49

130

10M→10.5M

10.0 - 10.5 mi

Top 69%
×6story building
+1ft-73ft

Overall

4563

Males

2785

M45-49

158

10.5M→12M

10.5 - 12.0 mi

Top 69%
×21story building
+280ft-26ft

Overall

4511

Males

2716

M45-49

155

12M→Finish

12.0 - 13.1 mi

Top 56%
×7story building
+14ft-89ft

Overall

3696

Males

2331

M45-49

119

Passing Analysis

Category:
Athletes Passed
812*
Passed By
1100
Net Change
-288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4022
2M → 4M84448-364#4022#4386
4M → 6M155*112+43#4386#4343
6M → 8M251*98+153#4343#4190
8M → 9.6M20283-263#4190#4453
9.6M → 10M10014+86#4453#4367
10M → 10.5M1312+1#4367#4366
10.5M → 12M83*125-42#4366#4408
12M → Finish106*8+98#4408#4310
TOTALS812*1100-288

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events