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SF MARATHON 2026

Shiori Tazaki

Bib: 8400•F•Age: 27

Tokyo

0:00
0:00
/ mi
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Overall
#0 / 7166
Top 39%
Gender (Female)
#0 / 2086
Top 27%
Division (F25-29)
#0 / 614
Top 30%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
18:08
Rank: #2456
Start → 2M
18:08 | 9:04/mi
4M
36:46
Rank: #2674 (-218)
2M → 4M
18:38 | 9:19/mi
6M
55:03
Rank: #2598 (+76)
4M → 6M
18:17 | 9:08/mi
8M
1:13:56
Rank: #2792 (-194)
6M → 8M
18:53 | 9:26/mi
9.6M
1:29:44
Rank: #2801 (-9)
8M → 9.6M
15:48 | 9:52/mi
10M
1:32:21
Rank: #2803 (-2)
9.6M → 10M
2:37 | 6:33/mi
10.5M
1:38:35
Rank: #2787 (+16)
10M → 10.5M
6:14 | 12:28/mi
12M
1:52:21
Rank: #2787
10.5M → 12M
13:46 | 9:11/mi
14M
2:13:15
Rank: #2841 (-54)
12M → 14M
20:54 | 10:27/mi
16M
2:28:59
Rank: #2683 (+158)
14M → 16M
15:44 | 7:52/mi
18M
2:52:55
Rank: #2880 (-197)
16M → 18M
23:56 | 11:58/mi
20M
3:13:53
Rank: #2878 (+2)
18M → 20M
20:58 | 10:29/mi
22M
3:35:02
Rank: #2944 (-66)
20M → 22M
21:09 | 10:34/mi
24M
3:57:39
Rank: #2928 (+16)
22M → 24M
22:37 | 11:19/mi
Finish· 26.22 mi
4:20:05
Rank: #2830 (+98)
24M → Finish
22:26 | 10:07/mi

The Course

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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:13:15
Pace9:31 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:06:50
Pace10:23 /mi
📊Negative Split: 4.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:34:4918:089:0418:08
9:04
-
4M
4.00 mi05:53:2736:469:1218:38
9:19
+0:15
6M
6.00 mi06:11:4455:039:1118:17
9:08
-0:11
8M
8.00 mi06:30:371:13:569:1418:53
9:26
+0:18
9.6M
9.60 mi06:46:251:29:449:2115:48
9:52
+0:26
10M
10.00 mi06:49:021:32:219:142:37
6:33
-3:19
10.5M
10.50 mi06:55:161:38:359:236:14
12:28
+5:55
12M
12.00 mi07:09:021:52:219:2213:46
9:11
-3:17
14M
14.00 mi07:29:562:13:159:3120:54
10:27
+1:16
16M
16.00 mi07:45:402:28:599:1915:44
7:52
-2:35
18M
18.00 mi08:09:362:52:559:3623:56
11:58
+4:06
20M
20.00 mi08:30:343:13:539:4220:58
10:29
-1:29
22M
22.00 mi08:51:433:35:029:4621:09
10:34
+0:05
24M
24.00 mi09:14:203:57:399:5422:37
11:19
+0:45
Finish
26.22 mi09:36:464:20:059:5622:26
10:07
-1:12

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

6:33 /mi

Average Pace

9:56 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:46

21% of race

Time at Steady Pace

2:32:32

59% of race

Time at Slower Pace

52:47

20% of race

Average Pace: 9:55 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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 mi05:34:4918:089:0418:08
9:04
#2456
4M
4.00 mi05:53:2736:469:1218:38
9:19
#2674
6M
6.00 mi06:11:4455:039:1118:17
9:08
#2598
8M
8.00 mi06:30:371:13:569:1418:53
9:26
#2792
9.6M
9.60 mi06:46:251:29:449:2115:48
9:52
#2801
10M
10.00 mi06:49:021:32:219:142:37
6:33
#2803
10.5M
10.50 mi06:55:161:38:359:236:14
12:28
#2787
12M
12.00 mi07:09:021:52:219:2213:46
9:11
#2787
14M
14.00 mi07:29:562:13:159:3120:54
10:27
#2841
16M
16.00 mi07:45:402:28:599:1915:44
7:52
#2683
18M
18.00 mi08:09:362:52:559:3623:56
11:58
#2880
20M
20.00 mi08:30:343:13:539:4220:58
10:29
#2878
22M
22.00 mi08:51:433:35:029:4621:09
10:34
#2944
24M
24.00 mi09:14:203:57:399:5422:37
11:19
#2928
Finish
26.22 mi09:36:464:20:059:5622:26
10:07
#2830
Faster pace
Steady pace
Slower pace
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 39%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:51

Segment Time

9:50/mi

Pace

0.90 mi

Distance

Overall

2770

Women

481

Division

156

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi24563991303067(Top 43%)551(Top 26%)185(Top 30%)
4M4.00 mi2.00 mi2674-218457-58152-222916(Top 41%)508(Top 24%)164(Top 27%)
6M6.00 mi2.00 mi2598+76437+20143+92522(Top 35%)414(Top 20%)133(Top 22%)
8M8.00 mi2.00 mi2792-194480-43152-93267(Top 46%)595(Top 29%)183(Top 30%)
9.6M9.60 mi1.60 mi2801-9487-7153-12986(Top 42%)528(Top 25%)166(Top 27%)
10M10.00 mi0.40 mi2803-2485+2152+12973(Top 41%)533(Top 26%)172(Top 28%)
10.5M10.50 mi0.50 mi2787+16482+31522802(Top 39%)504(Top 24%)159(Top 26%)
12M12.00 mi1.50 mi2787473+9151+13067(Top 43%)551(Top 26%)185(Top 30%)
14M14.00 mi2.00 mi2841-54488-15156-53250(Top 45%)621(Top 30%)198(Top 32%)
16M16.00 mi2.00 mi2683+158458+30151+52014(Top 28%)370(Top 18%)121(Top 20%)
18M18.00 mi2.00 mi2880-197513-55164-134407(Top 61%)1098(Top 53%)351(Top 57%)
20M20.00 mi2.00 mi2878+2529-16169-53128(Top 44%)700(Top 34%)228(Top 37%)
22M22.00 mi2.00 mi2944-66557-28178-93789(Top 53%)975(Top 47%)317(Top 52%)
24M24.00 mi2.00 mi2928+16575-18184-63150(Top 44%)808(Top 39%)266(Top 43%)
Finish26.22 mi2.22 mi2830+98559+16182+22413(Top 34%)576(Top 28%)194(Top 32%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 43%
×1human
+6ft-11ft

Overall

3067

Females

551

F25-29

186

2M→4M

2.0 - 4.0 mi

Top 41%
×4stories
+75ft-70ft

Overall

2916

Females

508

F25-29

165

4M→6M

4.0 - 6.0 mi

Top 35%
×5stories
+71ft-18ft

Overall

2522

Females

414

F25-29

134

6M→8M

6.0 - 8.0 mi

Top 46%
×9stories
+106ft-21ft

Overall

3267

Females

595

F25-29

185

8M→9.6M

8.0 - 9.6 mi

Top 42%
×13stories
+117ft-177ft

Overall

2986

Females

528

F25-29

167

9.6M→10M

9.6 - 10.0 mi

Top 41%
×1story
+17ft-12ft

Overall

2973

Females

533

F25-29

173

10M→10.5M

10.0 - 10.5 mi

Top 39%
×9stories
+0ft-102ft

Overall

2802

Females

504

F25-29

160

10.5M→12M

10.5 - 12.0 mi

Top 43%
×18stories
+304ft-125ft

Overall

3067

Females

551

F25-29

186

12M→14M

12.0 - 14.0 mi

Top 45%
×9stories
+99ft-125ft

Overall

3250

Females

621

F25-29

199

14M→16M

14.0 - 16.0 mi

Top 28%
×9stories
+124ft-78ft

Overall

2014

Females

370

F25-29

121

16M→18M

16.0 - 18.0 mi

Top 61%
×8stories
+106ft-45ft

Overall

4407

Females

1098

F25-29

352

18M→20M

18.0 - 20.0 mi

Top 44%
×3stories
+52ft-26ft

Overall

3128

Females

700

F25-29

228

20M→22M

20.0 - 22.0 mi

Top 53%
×21stories
+17ft-266ft

Overall

3789

Females

975

F25-29

317

22M→24M

22.0 - 24.0 mi

Top 44%
×3stories
+70ft-85ft

Overall

3150

Females

808

F25-29

266

24M→Finish

24.0 - 26.2 mi

Top 34%
~flat
+2ft-2ft

Overall

2413

Females

576

F25-29

194

Passing Analysis

Category:
Athletes Passed
886*
Passed By
1260
Net Change
-374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2456
2M → 4M51*269-218#2456#2674
4M → 6M11438+76#2674#2598
6M → 8M17*211-194#2598#2792
8M → 9.6M48*57-9#2792#2801
9.6M → 10M1113-2#2801#2803
10M → 10.5M4226+16#2803#2787
10.5M → 12M59590#2787#2787
12M → 14M35*89-54#2787#2841
14M → 16M176*18+158#2841#2683
16M → 18M28225-197#2683#2880
18M → 20M73*71+2#2880#2878
20M → 22M35*101-66#2878#2944
22M → 24M78*62+16#2944#2928
24M → Finish119*21+98#2928#2830
TOTALS886*1260-374

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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