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SF MARATHON 1ST HALF 2026

Irina Stiasny

Bib: 16863•F•Age: 43

San Jose, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Top 45%
Masters (Masters Women)
#0 / 781
Top 37%
Division (F40-44)
#0 / 255
Top 41%
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
11:15/mi
22:30
→ flat
4M
11:07/mi
44:44
↑ 67↓ 69
6M
10:57/mi
1:06:39
↑ 1231.1%
8M
10:36/mi
1:27:51
↑ 166↓ 531.1%
9.6M
10:36/mi
1:44:48
↑ 68↓ 1931.5%
10M
20:11/mi
1:52:52
↓ 241.1%
10.5M
5:22/mi
1:55:33
↓ 732.7%
12M
14:04/mi
2:16:39
↑ 2803.2%
Finish· 13.11 mi
11:23/mi
2:29:17
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:06:39
Pace11:07 /mi
2nd Half
Distance7.11 mi
Time1:22:38
Pace11:37 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:08:5622:3011:1522:30
11:15
-
4M
4.00 mi07:31:1044:4411:1122:14
11:07
-0:08
6M
6.00 mi07:53:051:06:3911:0721:55
10:57
-0:10
8M
8.00 mi08:14:171:27:5110:5921:12
10:36
-0:21
9.6M
9.60 mi08:31:141:44:4810:5516:57
10:36
0:00
10M
10.00 mi08:39:181:52:5211:178:04
20:11
+9:35
10.5M
10.50 mi08:41:591:55:3311:002:41
5:22
-14:49
12M
12.00 mi09:03:052:16:3911:2321:06
14:04
+8:42
Finish
13.11 mi09:15:432:29:1711:2312:38
11:23
-2:41

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

5:22 /mi

Average Pace

11:23 /mi

Slowest Pace

20:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41

2% of race

Time at Steady Pace

1:57:26

79% of race

Time at Slower Pace

29:10

20% of race

Average Pace: 11:23 /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 mi07:08:5622:3011:1522:30
11:15
#5117
4M
4.00 mi07:31:1044:4411:1122:14
11:07
#4700
6M
6.00 mi07:53:051:06:3911:0721:55
10:57
#4341
8M
8.00 mi08:14:171:27:5110:5921:12
10:36
#3930
9.6M
9.60 mi08:31:141:44:4810:5516:57
10:36
#4043
10M
10.00 mi08:39:181:52:5211:178:04
20:11
#3983
10.5M
10.50 mi08:41:591:55:3311:002:41
5:22
#3977
12M
12.00 mi09:03:052:16:3911:2321:06
14:04
#3752
Finish
13.11 mi09:15:432:29:1711:2312:38
11:23
#3778
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 55%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:45

Segment Time

11:57/mi

Pace

0.90 mi

Distance

Overall

3605

Women

1282

Division

100

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi511720181672793(Top 42%)916(Top 31%)67(Top 26%)
4M4.00 mi2.00 mi4700+4171768+250145+224374(Top 67%)1608(Top 55%)127(Top 50%)
6M6.00 mi2.00 mi4341+3591583+185128+173840(Top 58%)1335(Top 46%)100(Top 39%)
8M8.00 mi2.00 mi3930+4111357+226105+233114(Top 47%)971(Top 33%)71(Top 28%)
9.6M9.60 mi1.60 mi4043-1131433-76112-74660(Top 71%)1896(Top 65%)144(Top 56%)
10M10.00 mi0.40 mi3983+601413+201123576(Top 54%)1281(Top 44%)94(Top 37%)
10.5M10.50 mi0.50 mi3977+61410+3113-14051(Top 62%)1482(Top 51%)124(Top 49%)
12M12.00 mi1.50 mi3752+2251298+112102+112793(Top 42%)916(Top 31%)67(Top 26%)
Finish13.11 mi1.11 mi3778-261315-17104-24426(Top 67%)1745(Top 60%)139(Top 55%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 42%
~flat
+5ft-3ft

Overall

2793

Females

916

F40-44

68

2M→4M

2.0 - 4.0 mi

Top 67%
×4story building
+67ft-69ft

Overall

4374

Females

1608

F40-44

128

4M→6M

4.0 - 6.0 mi

Top 58%
×9story building
+123ft-9ft

Overall

3840

Females

1335

F40-44

101

6M→8M

6.0 - 8.0 mi

Top 47%
×12story building
+166ft-53ft

Overall

3114

Females

971

F40-44

72

8M→9.6M

8.0 - 9.6 mi

Top 71%
×13story building
+68ft-193ft

Overall

4660

Females

1896

F40-44

145

9.6M→10M

9.6 - 10.0 mi

Top 54%
×2story building
+0ft-24ft

Overall

3576

Females

1281

F40-44

95

10M→10.5M

10.0 - 10.5 mi

Top 62%
×6story building
+1ft-73ft

Overall

4051

Females

1482

F40-44

125

10.5M→12M

10.5 - 12.0 mi

Top 42%
×21story building
+280ft-26ft

Overall

2793

Females

916

F40-44

68

12M→Finish

12.0 - 13.1 mi

Top 67%
×7story building
+14ft-89ft

Overall

4426

Females

1745

F40-44

139

Passing Analysis

Category:
Athletes Passed
1717*
Passed By
378
Net Change
+1339
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#5117
2M → 4M45639+417#5117#4700
4M → 6M378*19+359#4700#4341
6M → 8M430*19+411#4341#3930
8M → 9.6M64177-113#3930#4043
9.6M → 10M8525+60#4043#3983
10M → 10.5M93+6#3983#3977
10.5M → 12M247*22+225#3977#3752
12M → Finish48*74-26#3752#3778
TOTALS1717*378+1339

* 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