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SF MARATHON 2026

Blair Seo

Bib: 7410•F•Age: 26

Leesburg, VA

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

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
22:38
Rank: #6270
Start → 2M
22:38 | 11:19/mi
4M
48:08
Rank: #6716 (-446)
2M → 4M
25:30 | 12:45/mi
6M
1:10:52
Rank: #6402 (+314)
4M → 6M
22:44 | 11:22/mi
8M
1:33:44
Rank: #6368 (+34)
6M → 8M
22:52 | 11:26/mi
9.6M
1:53:38
Rank: #6275 (+93)
8M → 9.6M
19:54 | 12:26/mi
10M
1:56:47
Rank: #6257 (+18)
9.6M → 10M
3:09 | 7:53/mi
10.5M
2:04:30
Rank: #6177 (+80)
10M → 10.5M
7:43 | 15:26/mi
12M
2:21:23
Rank: #6096 (+81)
10.5M → 12M
16:53 | 11:15/mi
14M
2:46:45
Rank: #6025 (+71)
12M → 14M
25:22 | 12:41/mi
16M
3:10:00
Rank: #6038 (-13)
14M → 16M
23:15 | 11:38/mi
18M
3:33:15
Rank: #5815 (+223)
16M → 18M
23:15 | 11:38/mi
20M
3:57:51
Rank: #5754 (+61)
18M → 20M
24:36 | 12:18/mi
22M
4:21:51
Rank: #5710 (+44)
20M → 22M
24:00 | 12:00/mi
24M
4:46:51
Rank: #5604 (+106)
22M → 24M
25:00 | 12:30/mi
Finish· 26.22 mi
5:13:22
Rank: #5487 (+117)
24M → Finish
26:31 | 11:57/mi
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Half Splits

1st Half· via 14M
Distance14.00 mi
Time2:46:45
Pace11:55 /mi
2nd Half✓ Faster
Distance12.22 mi
Time2:26:37
Pace12:00 /mi
📊Negative Split: 12.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi05:56:2322:3811:1922:38
11:19
-
4M
4.00 mi06:21:5348:0812:0225:30
12:45
+1:26
6M
6.00 mi06:44:371:10:5211:4922:44
11:22
-1:23
8M
8.00 mi07:07:291:33:4411:4322:52
11:26
+0:04
9.6M
9.60 mi07:27:231:53:3811:5019:54
12:26
+1:00
10M
10.00 mi07:30:321:56:4711:413:09
7:53
-4:33
10.5M
10.50 mi07:38:152:04:3011:517:43
15:26
+7:33
12M
12.00 mi07:55:082:21:2311:4716:53
11:15
-4:11
14M
14.00 mi08:20:302:46:4511:5525:22
12:41
+1:26
16M
16.00 mi08:43:453:10:0011:5223:15
11:38
-1:03
18M
18.00 mi09:07:003:33:1511:5123:15
11:38
0:00
20M
20.00 mi09:31:363:57:5111:5424:36
12:18
+0:40
22M
22.00 mi09:55:364:21:5111:5424:00
12:00
-0:18
24M
24.00 mi10:20:364:46:5111:5725:00
12:30
+0:30
Finish
26.22 mi10:47:075:13:2211:5826:31
11:57
-0:33

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:53 /mi

Average Pace

11:58 /mi

Slowest Pace

15:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:09

1% of race

Time at Steady Pace

4:11:38

80% of race

Time at Slower Pace

58:35

19% of race

Average Pace: 11:57 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi05:56:2322:3811:1922:38
11:19
#6270
4M
4.00 mi06:21:5348:0812:0225:30
12:45
#6716
6M
6.00 mi06:44:371:10:5211:4922:44
11:22
#6402
8M
8.00 mi07:07:291:33:4411:4322:52
11:26
#6368
9.6M
9.60 mi07:27:231:53:3811:5019:54
12:26
#6275
10M
10.00 mi07:30:321:56:4711:413:09
7:53
#6257
10.5M
10.50 mi07:38:152:04:3011:517:43
15:26
#6177
12M
12.00 mi07:55:082:21:2311:4716:53
11:15
#6096
14M
14.00 mi08:20:302:46:4511:5525:22
12:41
#6025
16M
16.00 mi08:43:453:10:0011:5223:15
11:38
#6038
18M
18.00 mi09:07:003:33:1511:5123:15
11:38
#5815
20M
20.00 mi09:31:363:57:5111:5424:36
12:18
#5754
22M
22.00 mi09:55:364:21:5111:5424:00
12:00
#5710
24M
24.00 mi10:20:364:46:5111:5725:00
12:30
#5604
Finish
26.22 mi10:47:075:13:2211:5826:31
11:57
#5487
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Garmin Challenge
Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 76%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:52

Segment Time

12:05/mi

Pace

0.90 mi

Distance

Overall

5422

Women

1391

Division

425

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi627016955035435(Top 76%)1394(Top 67%)430(Top 70%)
4M4.00 mi2.00 mi6716-4461889-194559-566948(Top 97%)1977(Top 95%)579(Top 94%)
6M6.00 mi2.00 mi6402+3141747+142518+415794(Top 81%)1510(Top 72%)454(Top 74%)
8M8.00 mi2.00 mi6368+341724+23511+76243(Top 87%)1644(Top 79%)495(Top 81%)
9.6M9.60 mi1.60 mi6275+931692+32505+65940(Top 83%)1581(Top 76%)475(Top 77%)
10M10.00 mi0.40 mi6257+181688+45055639(Top 79%)1464(Top 70%)441(Top 72%)
10.5M10.50 mi0.50 mi6177+801662+26496+95481(Top 76%)1422(Top 68%)429(Top 70%)
12M12.00 mi1.50 mi6096+811616+46491+55435(Top 76%)1394(Top 67%)430(Top 70%)
14M14.00 mi2.00 mi6025+711597+19483+85746(Top 80%)1504(Top 72%)457(Top 74%)
16M16.00 mi2.00 mi6038-131609-12489-65964(Top 83%)1621(Top 78%)494(Top 80%)
18M18.00 mi2.00 mi5815+2231525+84466+234087(Top 57%)990(Top 47%)319(Top 52%)
20M20.00 mi2.00 mi5754+611514+11465+15107(Top 71%)1392(Top 67%)414(Top 67%)
22M22.00 mi2.00 mi5710+441503+11460+55249(Top 73%)1470(Top 70%)446(Top 73%)
24M24.00 mi2.00 mi5604+1061476+27450+104345(Top 61%)1186(Top 57%)371(Top 60%)
Finish26.22 mi2.22 mi5487+1171450+26445+54511(Top 63%)1234(Top 59%)390(Top 64%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 76%
×1human
+6ft-11ft

Overall

5435

Females

1394

F25-29

433

2M→4M

2.0 - 4.0 mi

Top 97%
×4stories
+75ft-70ft

Overall

6948

Females

1977

F25-29

584

4M→6M

4.0 - 6.0 mi

Top 81%
×5stories
+71ft-18ft

Overall

5794

Females

1510

F25-29

458

6M→8M

6.0 - 8.0 mi

Top 87%
×9stories
+106ft-21ft

Overall

6243

Females

1644

F25-29

498

8M→9.6M

8.0 - 9.6 mi

Top 83%
×13stories
+117ft-177ft

Overall

5940

Females

1581

F25-29

478

9.6M→10M

9.6 - 10.0 mi

Top 79%
×1story
+17ft-12ft

Overall

5639

Females

1464

F25-29

443

10M→10.5M

10.0 - 10.5 mi

Top 76%
×9stories
+0ft-102ft

Overall

5481

Females

1422

F25-29

432

10.5M→12M

10.5 - 12.0 mi

Top 76%
×18stories
+304ft-125ft

Overall

5435

Females

1394

F25-29

433

12M→14M

12.0 - 14.0 mi

Top 80%
×9stories
+99ft-125ft

Overall

5746

Females

1504

F25-29

458

14M→16M

14.0 - 16.0 mi

Top 83%
×9stories
+124ft-78ft

Overall

5964

Females

1621

F25-29

495

16M→18M

16.0 - 18.0 mi

Top 57%
×8stories
+106ft-45ft

Overall

4087

Females

990

F25-29

320

18M→20M

18.0 - 20.0 mi

Top 71%
×3stories
+52ft-26ft

Overall

5107

Females

1392

F25-29

414

20M→22M

20.0 - 22.0 mi

Top 73%
×21stories
+17ft-266ft

Overall

5249

Females

1470

F25-29

446

22M→24M

22.0 - 24.0 mi

Top 61%
×3stories
+70ft-85ft

Overall

4345

Females

1186

F25-29

371

24M→Finish

24.0 - 26.2 mi

Top 63%
~flat
+2ft-2ft

Overall

4511

Females

1234

F25-29

390

Passing Analysis

Category:
Athletes Passed
1556*
Passed By
773
Net Change
+783
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#6270
2M → 4M24*470-446#6270#6716
4M → 6M322*8+314#6716#6402
6M → 8M79*45+34#6402#6368
8M → 9.6M118*25+93#6368#6275
9.6M → 10M235+18#6275#6257
10M → 10.5M888+80#6257#6177
10.5M → 12M10423+81#6177#6096
12M → 14M97*26+71#6096#6025
14M → 16M78*91-13#6025#6038
16M → 18M232*9+223#6038#5815
18M → 20M84*23+61#5815#5754
20M → 22M68*24+44#5754#5710
22M → 24M114*8+106#5710#5604
24M → Finish125*8+117#5604#5487
TOTALS1556*773+783

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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