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SF MARATHON 2ND HALF 2026

Traci Iwamoto

Bib: 23766•F•Age: 40

Mill Valley, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Top 36%
Gender (Female)
#0 / 1760
Top 24%
Masters (Masters Women)
#0 / 365
Top 18%
Division (F40-44)
#0 / 116
Top 24%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
20:11
Rank: #2104
Start → 2M
10:05/mi
20:11 split
4M
37:37
Rank: #1730 (+374)
2M → 4M
8:43/mi
17:26 split
6M
1:00:05
Rank: #1580 (+150)
4M → 6M
11:14/mi
22:28 split
8M
1:14:03
Rank: #1528 (+52)
6M → 8M
6:59/mi
13:58 split
10M
1:32:47
Rank: #1446 (+82)
8M → 10M
9:22/mi
18:44 split
12M
1:52:38
Rank: #1386 (+60)
10M → 12M
9:55/mi
19:51 split
Finish· 13.11 mi
2:03:13
Rank: #1365 (+21)
12M → Finish
9:33/mi
10:35 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:05
Pace10:01 /mi
2nd Half
Distance7.11 mi
Time1:03:08
Pace8:53 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:58:3220:1110:0520:11
10:05
-
4M
4.00 mi09:15:5837:379:2417:26
8:43
-1:22
6M
6.00 mi09:38:261:00:0510:0122:28
11:14
+2:31
8M
8.00 mi09:52:241:14:039:1513:58
6:59
-4:15
10M
10.00 mi10:11:081:32:479:1718:44
9:22
+2:23
12M
12.00 mi10:30:591:52:389:2319:51
9:55
+0:33
Finish
13.11 mi10:41:342:03:139:2410:35
9:33
-0:22

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

6:59 /mi

Average Pace

9:24 /mi

Slowest Pace

11:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:24

25% of race

Time at Steady Pace

1:09:21

56% of race

Time at Slower Pace

22:28

18% of race

Average Pace: 9:24 /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.

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 mi08:58:3220:1110:0520:11
10:05
#2104
4M
4.00 mi09:15:5837:379:2417:26
8:43
#1730
6M
6.00 mi09:38:261:00:0510:0122:28
11:14
#1580
8M
8.00 mi09:52:241:14:039:1513:58
6:59
#1528
10M
10.00 mi10:11:081:32:479:1718:44
9:22
#1446
12M
12.00 mi10:30:591:52:389:2319:51
9:55
#1386
Finish
13.11 mi10:41:342:03:139:2410:35
9:33
#1365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi2104748481295(Top 34%)407(Top 23%)26(Top 22%)
4M4.00 mi2.00 mi1730+374561+18737+111394(Top 36%)434(Top 25%)30(Top 26%)
6M6.00 mi2.00 mi1580+150491+7034+31353(Top 35%)407(Top 23%)28(Top 24%)
8M8.00 mi2.00 mi1528+52476+1531+31319(Top 34%)405(Top 23%)27(Top 23%)
10M10.00 mi2.00 mi1446+82444+3228+31183(Top 31%)346(Top 20%)26(Top 22%)
12M12.00 mi2.00 mi1386+60432+12281295(Top 34%)407(Top 23%)26(Top 22%)
Finish13.11 mi1.11 mi1365+21428+4281310(Top 34%)417(Top 24%)26(Top 22%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 34%
×9story building
+138ft-68ft

Overall

1295

Females

407

F40-44

26

2M→4M

2.0 - 4.0 mi

Top 36%
×13story building
+163ft-19ft

Overall

1394

Females

434

F40-44

31

4M→6M

4.0 - 6.0 mi

Top 35%
×4story building
+55ft-83ft

Overall

1353

Females

407

F40-44

29

6M→8M

6.0 - 8.0 mi

Top 34%
×10story building
+65ft-151ft

Overall

1319

Females

405

F40-44

28

8M→10M

8.0 - 10.0 mi

Top 31%
×10story building
+61ft-174ft

Overall

1183

Females

346

F40-44

26

10M→12M

10.0 - 12.0 mi

Top 34%
×3story building
+41ft-53ft

Overall

1295

Females

407

F40-44

26

12M→Finish

12.0 - 13.1 mi

Top 34%
×1human
+6ft-6ft

Overall

1310

Females

417

F40-44

26

Passing Analysis

Category:
Athletes Passed
800*
Passed By
61
Net Change
+739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2104
2M → 4M3751+374#2104#1730
4M → 6M16212+150#1730#1580
6M → 8M619+52#1580#1528
8M → 10M93*11+82#1528#1446
10M → 12M8020+60#1446#1386
12M → Finish29*8+21#1386#1365
TOTALS800*61+739

* 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