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SF MARATHON 1ST HALF 2026

Jae Won Seo

Seattle, WA

Bib: 18567 M 47

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 35%
Gender (Male)
#0 / 3619
Top 45%
Masters (Masters Men)
#0 / 1030
Top 35%
Division (M45-49)
#0 / 220
Top 35%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
10:10/mi
20:21
→ flat
12 ft elev
4M
10:16/mi
40:53
↑ 67↓ 69
10 ft elev
6M
10:04/mi
1:01:01
↑ 1231.1%
126 ft elev
8M
11:10/mi
1:23:22
↑ 166↓ 531.1%
246 ft elev
9.6M
7:37/mi
1:35:33
↑ 68↓ 1931.5%
126 ft elev
10M
16:44/mi
1:42:14
↓ 241.1%
90 ft elev
10.5M
4:32/mi
1:44:30
↓ 732.7%
18 ft elev
12M
12:47/mi
2:03:41
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
8:42/mi
2:13:20
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:01:0110:10 /mi⚡ faster
2nd Half
1:12:1910:10 /mi+18.5%
Positive split — 18.5% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:07:3620:2110:1020:21
10:10
-
4M
4.00 mi07:28:0840:5310:1320:32
10:16
+0:06
6M
6.00 mi07:48:161:01:0110:1020:08
10:04
-0:12
8M
8.00 mi08:10:371:23:2210:2522:21
11:10
+1:06
9.6M
9.60 mi08:22:481:35:339:5712:11
7:37
-3:33
10M
10.00 mi08:29:291:42:1410:136:41
16:44
+9:07
10.5M
10.50 mi08:31:451:44:309:572:16
4:32
-12:12
12M
12.00 mi08:50:562:03:4110:1819:11
12:47
+8:15
Finish
13.11 mi09:00:352:13:2010:109:39
8:42
-4:05

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

4:32 /mi

Average Pace

10:10 /mi

Slowest Pace

16:44 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:27

11% of race

Time at Steady Pace

1:33:01

70% of race

Time at Slower Pace

25:52

19% of race

Average Pace: 10:10 /mi

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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.

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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 mi07:07:3620:2110:1020:21
10:10
#3315
4M
4.00 mi07:28:0840:5310:1320:32
10:16
#3231
6M
6.00 mi07:48:161:01:0110:1020:08
10:04
#3016
8M
8.00 mi08:10:371:23:2210:2522:21
11:10
#3221
9.6M
9.60 mi08:22:481:35:339:5712:11
7:37
#2782
10M
10.00 mi08:29:291:42:1410:136:41
16:44
#2632
10.5M
10.50 mi08:31:451:44:309:572:16
4:32
#2615
12M
12.00 mi08:50:562:03:4110:1819:11
12:47
#2426
Finish
13.11 mi09:00:352:13:2010:109:39
8:42
#2317
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 25%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:57

Segment Time

9:57/mi

Pace

0.90 mi

Distance

Overall

1659

Men

1235

Division

62

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi331522061201783128366
4M4.00 mi2.00 mi3231+842172+34121-131752150117
6M6.00 mi2.00 mi3016+2152064+108111+1027591927100
8M8.00 mi2.00 mi3221-2052185-121119-837362441133
9.6M9.60 mi1.60 mi2782+4391917+26899+20116379035
10M10.00 mi0.40 mi2632+1501838+7993+61662122666
10.5M10.50 mi0.50 mi2615+171826+1292+11928140967
12M12.00 mi1.50 mi2426+1891703+12381+111783128366
Finish13.11 mi1.11 mi2317+1091640+6378+31313100752

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 27%
~flat
+5ft-3ft

Overall

1783

Males

1283

M45-49

66

2M→4M

2.0 - 4.0 mi

Top 48%
×4story building
+67ft-69ft

Overall

3175

Males

2150

M45-49

117

4M→6M

4.0 - 6.0 mi

Top 42%
×9story building
+123ft-9ft

Overall

2759

Males

1927

M45-49

100

6M→8M

6.0 - 8.0 mi

Top 57%
×12story building
+166ft-53ft

Overall

3736

Males

2441

M45-49

133

8M→9.6M

8.0 - 9.6 mi

Top 18%
×13story building
+68ft-193ft

Overall

1163

Males

790

M45-49

35

9.6M→10M

9.6 - 10.0 mi

Top 25%
×2story building
+0ft-24ft

Overall

1662

Males

1226

M45-49

66

10M→10.5M

10.0 - 10.5 mi

Top 29%
×6story building
+1ft-73ft

Overall

1928

Males

1409

M45-49

67

10.5M→12M

10.5 - 12.0 mi

Top 27%
×21story building
+280ft-26ft

Overall

1783

Males

1283

M45-49

66

12M→Finish

12.0 - 13.1 mi

Top 20%
×7story building
+14ft-89ft

Overall

1313

Males

1007

M45-49

52

Passing Analysis

Category:
Athletes Passed
1440*
Passed By
442
Net Change
+998
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3315
2M → 4M214130+84#3315#3231
4M → 6M24429+215#3231#3016
6M → 8M61*266-205#3016#3221
8M → 9.6M4412+439#3221#2782
9.6M → 10M1500+150#2782#2632
10M → 10.5M181+17#2632#2615
10.5M → 12M20112+189#2615#2426
12M → Finish111*2+109#2426#2317
TOTALS1440*442+998

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

Passing Charts

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